solution proposal #15 #25 #26. deploy kovan + rinkeby. ropsten ko as previous time

Author: francois branciard

ChangeLog.md

@@ -18,7 +18,11 @@ Features:
 
 Bugfixes:
 * [#24](https://github.com/iExecBlockchainComputing/PoCo/issues/24) possibly useless RLC address getter
-* [#15](https://github.com/iExecBlockchainComputing/PoCo/issues/15): Malicious IexecAPI contract without callback 
+* [#15](https://github.com/iExecBlockchainComputing/PoCo/issues/15): Malicious IexecAPI contract without callback
+* [#25](https://github.com/iExecBlockchainComputing/PoCo/issues/25) :[SC AUDIT] Scheduler can manipulate its reward percentage
+
+
+[SC AUDIT] Arbitrary Contract are trusted
 
 ### [v1.0.12](https://github.com/iExecBlockchainComputing/PoCo/releases/tag/v1.0.12)
 Initial version. external audit launched on this release v1.0.12