Sync translations with Transifex.
Add support for compiling with Qt 5.0.0.
Update Italian translation.
Update CREDITS

Added it translator
Update locale dialog.
Make all local Cocoa variables non-const.
Disable native clipboard glue classes with Qt 5.
FIXED: Crash when ignoring words in spelling dialog.

This commit reverts 9d1f39576c5c1bc29235817cf8dc6fa2fe977651.
Simplify build system file.
Update copyright year.
Sync translations with Transifex.
FIXED: Did not play key press sound for non-Latin languages.
Add ignoring deleted file message.
Add small delay before handling changed files.
Sync Italian translation.
FIXED: Could not end italics before smart quote.
Update Turkish translation.
Tag version 1.4.2
Merge tag 'upstream/1.4.2'

Tag version 1.4.2
log changes