Fix #939
Fixed NSIS

Weird things happen when app isn't inside src
Fix installation path

Move to Local rather than Roaming
remove exec:createWinUpdate

remove exec:createWinUpdate since nsi script doesn't exist anymore.
Merge pull request #960 from MrVaykadji/patch-4

remove exec:createWinUpdate
Fix #962
Fixes #866
#877 - Reverse subtitle delay shortcuts to behave like VLC
Redo  #866 fix. Bit cleaner
Re-add checkEmpty
Fixes #500 - Don't highlight/toggle "Subtitles Off" when clicking subtitle icon
Merge branch 'master' into feature-externalPlayer