Updated Polish language file - thx admas :)
Merge branch 'master' of https://github.com/SubtitleEdit/subtitleedit
Fixed top alignment in D-Cinema - thx Robbie :)
Update pl-PL.xml
Move Changelog.txt in root dir.

It makes more sense to have it there so that's easier to see.
Simplify .gitignore.
Updated Portuguese language file - thx moob :)
Updated Greek langauge file - thx akis :)
Fix #196 regarding time codes in DCinema interop graphic export - thx  liloneum :)
Added new subtitle format
Minor fix for reading dcinema interop time codes
Minor fix for text label autosize in settings -> tools
Updated Dutch language file - thx Quetsbeek :)
Minor fix for subtitle format not beeing too 'greedy'
More do-not-be-greedy
One more greedy loading fix