Propozycja obslugi endpointow
Obsluga wywolan restowych za pomoca Retrofita
ChangeExplorer and ChangeDetails restApi; 'up' navigation
Added test structure,tests etc
Changes some data access object methods, added tests and ready to gui tests
Changed gradle,gerrit dao configuration
bug fixes in asynctask calls
ChangeExplorer and ChangeDetails views version2
prettifying views, refactor for change info tab
Added source code comment popup