#6 : Remove duplicated code :
http://github.com/bergerbd/lapse-plus/issues/issue/6

Extracted classes SinkMatch and SourceMatch from SinkView and
SourceView. Introduced common super class.
#6: Remove duplicated code - Extracted inner classes
Merge branch 'develop' of https://github.com/bergerbd/lapse-plus.git into develop
Fixed merge bug.