Update old repo references (#471)

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 Thank your for contributing to this project! We welcome collaborators and expect users to follow our [code of conduct](CODE_OF_CONDUCT.md) when submitting code or comments.
 
-1. Fork the repo ( https://github.com/poanetwork/poa-bridge-contracts/fork ).
+1. Fork the repo ( https://github.com/poanetwork/tokenbridge-contracts/fork ).
 2. Create your feature branch (`git checkout -b my-new-feature`).
 3. Write tests that cover your work.
 4. Commit your changes (`git commit -am 'Add some feature'`).
@@ -19,7 +19,7 @@ Thank your for contributing to this project! We welcome collaborators and expect
     In either case, try to write a regression test that fails because of the bug but passes with your fix.
 
 ### Issues
-Creating and discussing [Issues](https://github.com/poanetwork/poa-bridge-contracts/issues) provides significant value to the project. If you find a bug you can report it in an Issue.     
+Creating and discussing [Issues](https://github.com/poanetwork/tokenbridge-contracts/issues) provides significant value to the project. If you find a bug you can report it in an Issue.     
 
 ### Pull Requests
 All pull requests should include: 

package-lock.json

@@ -1,5 +1,5 @@
 {
-  "name": "token-bridge-contracts",
+  "name": "tokenbridge-contracts",
   "version": "5.3.1",
   "lockfileVersion": 1,
   "requires": true,

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "token-bridge-contracts",
+  "name": "tokenbridge-contracts",
   "version": "5.3.1",
   "description": "Bridge",
   "main": "index.js",