Fixed language error.
Added translation.
Added Translation for error message on sending a file. Also included the German Version.
Update chatform.cpp

Improved that line of code.
Thanks to @dubslow
Merge branch 'pr912'
Update INSTALL.md
Merge branch 'pr914'
check for no systray, fixes #908
cant believe it took this long to figure out ;_;
fix #902
Style corrections

'if()' → 'if ()'
'for()' → 'for ()'
Refactor OS X updater

Went and rewrote half of it in an actually sane manner, recursive functions > nested loops.
Light tray icon option
Merge branch 'pr921'
Merge branch 'pr922'
Merge branch 'pr923'
Merge branch 'pr926'
Huge French translation fixes
Revert "fix #902"
@apprb #932
This reverts commit 13306031e238258a3faf2909a01987cf093765dc.
Merge branch 'pr931'