Merge branch 'dev-section-redesign' into reSkinReferenceDocs

* dev-section-redesign: (87 commits)
  Added note about restriction on `testDirectory`
  fix(dev-utils): Make chai a dev dependency since exported interface depends on it
  Add changelog entries
  fix(subproviders): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(sra-spec): make @loopback/openapi-v3-types a 'dependency' so it's available to users of the library
  fix(sol-cov): make @types/solidity-parser-antlr a 'dependency' so it's available to users of the library
  fix(dev-utils): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(0x.js): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(monorepo-scripts): Move the creation of the `.installation-test` directory OUTSIDE of the monorepo root, so that the installed packages can't reference the hoisted node_modules folder
  Remove ContractNotFound errors in contract-wrappers
  Update prettierignore
  Update website to use the new unsubscribeAll method in contract-wrappers
  In abi-gen-wrappers, ./wrappers -> ./src/generated-wrappers
  In contract-wrappers, remove setProvider and add unsubscribeAll method.
  take out explicit children definition in props
  Update json-schemas for contract-wrappers
  Add OrThrow suffix to getContractAddressesForNetwork
  remove unused import
  Update CHANGELOG.json for all changed packages
  Remove ContractAddresses from packages/types (mistake after rebase)
  ...

1 files changed, 37 insertions, 0 deletions

diff --git a/packages/contract-artifacts/artifacts/IWallet.json b/packages/contract-artifacts/artifacts/IWallet.json
new file mode 100644
index 000000000..2a8f975cc
--- /dev/null
+++ b/packages/contract-artifacts/artifacts/IWallet.json
@@ -0,0 +1,37 @@
+{
+    "schemaVersion": "2.0.0",
+    "contractName": "IWallet",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "name": "hash",
+                        "type": "bytes32"
+                    },
+                    {
+                        "name": "signature",
+                        "type": "bytes"
+                    }
+                ],
+                "name": "isValidSignature",
+                "outputs": [
+                    {
+                        "name": "isValid",
+                        "type": "bool"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            }
+        ],
+        "evm": {
+            "bytecode": {
+                "object": "0x"
+            }
+        }
+    },
+    "networks": {}
+}