Update README and clean dependencies

Author: andrea

README.md

@@ -4,13 +4,15 @@
 
 Designed to represent a fungible asset with offchain interaction as an [ERC223][1] token.
 
+Integrated with [ZeppelinOS][7] to make it upgradeable.
+
 ## Developing
 
 [Truffle][2] is used to develop and test the Asset Token Smart Contract. This has a dependency on [Node.js][3].
 
 Prerequisites:
 
-[yarn][4] (but [npm][5] should work just as well) and [solidity-coverage ][6] needs to be installed.
+[yarn][4] (but [npm][5] should work just as well)
 
     yarn install
 
@@ -23,13 +25,17 @@ Start `ganache` in a separate terminal tab or window.
     yarn ganache
 
     # in separate window or tab
-    yarn test
+    npx zos session --network development --from <address>
+
+This will start a session to work with in the network. --from flag is optional
 
-This will compile the contract, deploy to the testrpc instance and run the tests.
+    npx zos push --deploy-dependencies
 
-    yarn coverage
+This will compile and deploy contracts from zos.json and dependencies to the local network. --deploy flag not needed if running in public testnets (Rinkeby, Kovan, Ropsten) or mainnet.
+
+    yarn test
 
-this will produce a test coverage report
+This will run tests
 
 ## Deploy Asset Token (ready to use with wallet)
 
@@ -45,4 +51,4 @@ This will deploy Asset Token and fund accounts
 [3]: https://nodejs.org/
 [4]: https://yarnpkg.com/en/docs/install
 [5]: https://docs.npmjs.com/getting-started/installing-node
-[6]: https://www.npmjs.com/package/solidity-coverage
+[7]: https://zeppelinos.org/

package.json

@@ -6,7 +6,6 @@
   "dependencies": {
     "ganache-cli": "6.2.5",
     "openzeppelin-eth": "^2.1.3",
-    "openzeppelin-solidity": "2.3.0-rc.1",
     "solhint": "2.0.0",
     "solidity-coverage": "0.6.0-beta.5",
     "truffle": "5.0.19",

yarn.lock

@@ -3773,10 +3773,6 @@ openzeppelin-eth@^2.1.3:
   resolved "https://registry.yarnpkg.com/openzeppelin-eth/-/openzeppelin-eth-2.1.3.tgz#d9a4d7830ca8e4c3bc44164179a661112655e8b2"
   integrity sha512-k1Yv3V7u369ERXV0xf+ru3TH+ZopFYY0E1M+4O32Q+0b4XLm2acVBaUvbuuqYMkUjKhSfu8HuPpXL7OWMEJWRw==
 
-openzeppelin-solidity@2.3.0-rc.1:
-  version "2.3.0-rc.1"
-  resolved "https://registry.yarnpkg.com/openzeppelin-solidity/-/openzeppelin-solidity-2.3.0-rc.1.tgz#c8f0afc4cb328adc91eb048569f5a6b6e07ffb0a"
-
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"