Update Ivy to 2.3.0
Update Ivy to 2.3.0

Ivy 2.4.0 contains a breaking change: `DefaultModuleDescriptor` now
returns a fresh map from `getExtraInfo()` so modifying it has no effect.

Related Ivy issue that describes why this change was made:
https://issues.apache.org/jira/browse/IVY-1457

lsmaira/gradle,lsmaira/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,lsmaira/gradle,gradle/gradle,blindpirate/gradle,lsmaira/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,gradle/gradle,lsmaira/gradle,lsmaira/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,lsmaira/gradle,blindpirate/gradle,blindpirate/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle