Merge changes I057c782c,Idff096ce,Ic9be0280,I07014d1b,Id8a76ee7,I9080f3dd,I8c1a0eb8,Ibaf87bb5,I9e1f1f5a,I355e95fa
* changes:
Prompt for passwords from the console in jgit command line tools
Move AWT based SSH authenticator to ui bundle
Refactor the cached Authenticator data out of AwtAuthenticator
Only import the sample data packs on tests that need them
Move T0007_Index to exttst
Refactor RepositoryTestCase to use LocalDiskRepository instead
Create JUnit test utilities for JGit derived sources
Delete obsolete JarLinkUtil
Refactor our Maven build to be modular
Switch pgm, test to proper plugin projects