Merge branch 'development' of github.com:0xProject/0x.js into development

* 'development' of github.com:0xProject/0x.js:
  Change contributing test
  Fix yarn workspaces explanation
  Change CONTRIBUTING section
  Fix the headers
  Address feedback
  Write 4 README's

4 files changed, 191 insertions, 17 deletions

diff --git a/packages/assert/README.md b/packages/assert/README.md
index b0dc9a451..052d56582 100644
--- a/packages/assert/README.md
+++ b/packages/assert/README.md
@@ -1,10 +1,54 @@
-assert
+@0xproject/assert
 ------
 
 Standard type and schema assertions to be used across all 0x projects and packages
 
-## Install
+## Installation
 
 ```bash
-npm install @0xproject/assert --save
+yarn add @0xproject/assert
+```
+
+## Usage
+
+```typescript
+import {assert} from '@0xproject/assert';
+
+assert.isValidBaseUnitAmount('baseUnitAmount', baseUnitAmount);
+```
+
+## Contributing
+
+We strongly encourage that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository.
+
+Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
+
+### Install Dependencies
+
+If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+```bash
+yarn config set workspaces-experimental true
+```
+
+Then install dependencies
+```bash
+yarn install
+```
+
+### Build
+
+```bash
+yarn build
+```
+
+### Lint
+
+```bash
+yarn lint
+```
+
+### Run Tests
+
+```bash
+yarn test
 ```
diff --git a/packages/json-schemas/README.md b/packages/json-schemas/README.md
index d89f57a5e..94dfd8640 100644
--- a/packages/json-schemas/README.md
+++ b/packages/json-schemas/README.md
@@ -1,16 +1,17 @@
-json-schemas
-------------
+@0xproject/json-schemas
+------
 
 Contains 0x-related json schemas
 
-## Install:
+## Installation
 
 ```bash
-npm install @0xproject/json-schemas --save
+yarn add @0xproject/json-schemas
 ```
 
-## Usage:
-```
+## Usage
+
+```javascript
 import {SchemaValidator, ValidatorResult, schemas} from '@0xproject/json-schemas';
 
 const {orderSchema} = schemas;
@@ -22,3 +23,39 @@ const order = {
 const validatorResult: ValidatorResult = validator.validate(order, orderSchema); // Contains all errors
 const isValid: boolean = validator.isValid(order, orderSchema); // Only returns boolean
 ```
+
+## Contributing
+
+We strongly encourage that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository.
+
+Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
+
+### Install Dependencies
+
+If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+```bash
+yarn config set workspaces-experimental true
+```
+
+Then install dependencies
+```bash
+yarn install
+```
+
+### Build
+
+```bash
+yarn build
+```
+
+### Lint
+
+```bash
+yarn lint
+```
+
+### Run Tests
+
+```bash
+yarn test
+```
diff --git a/packages/tslint-config/README.md b/packages/tslint-config/README.md
index 38a6bce45..b27d05df0 100644
--- a/packages/tslint-config/README.md
+++ b/packages/tslint-config/README.md
@@ -1,10 +1,57 @@
-tslint-config
--------------
+@0xproject/tslint-config
+------
 
-Lint rules related to 0xProject for TSLint.
+TSLint configuration and custom linter rules used by 0xProject.
 
-## Install:
+## Installation
 
 ```bash
-npm install @0xproject/tslint-config --save-dev
+yarn add --dev @0xproject/tslint-config
+```
+
+## Usage
+
+Add the following to your `tslint.json` file
+```json
+{
+  "extends": [
+    "@0xproject/tslint-config"
+  ]
+}
+```
+
+## Contributing
+
+We strongly encourage that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository.
+
+Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
+
+### Install Dependencies
+
+If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+```bash
+yarn config set workspaces-experimental true
+```
+
+Then install dependencies
+```bash
+yarn install
+```
+
+### Build
+
+```bash
+yarn build
+```
+
+### Lint
+
+```bash
+yarn lint
+```
+
+### Run Tests
+
+```bash
+yarn test
 ```
diff --git a/packages/web3-wrapper/README.md b/packages/web3-wrapper/README.md
index 0df8c6333..c6e2163a3 100644
--- a/packages/web3-wrapper/README.md
+++ b/packages/web3-wrapper/README.md
@@ -1,10 +1,56 @@
-Web3 wrapper
+@0xproject/web3-wrapper
 ------
 
-Wrapped version of web3 with nicer interface to be used across 0x projects and packages
+Wrapped version of web3 with a nicer interface that is used across 0x projects and packages
 
-## Install
+## Installation
 
 ```bash
 yarn add @0xproject/web3-wrapper
 ```
+
+## Usage
+
+```typescript
+import {Web3Wrapper} from '@0xproject/web3-wrapper';
+
+const web3 = ...;
+const web3Wrapper = new Web3Wrapper(web3.currentProvider);
+const availableAddresses = await web3Wrapper.getAvailableAddressesAsync();
+```
+
+## Contributing
+
+We strongly encourage that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository.
+
+Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
+
+### Install Dependencies
+
+If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+```bash
+yarn config set workspaces-experimental true
+```
+
+Then install dependencies
+```bash
+yarn install
+```
+
+### Build
+
+```bash
+yarn build
+```
+
+### Lint
+
+```bash
+yarn lint
+```
+
+### Run Tests
+
+```bash
+yarn test
+```