Update sk_SK.ts

fix heading
Merge pull request #428 from zdenop/patch-1

Update sk_SK.ts
Mac-specific: Adjust code for MacOS 10.9
Don't check key modifiers for new tab when word received from scan popup window
Add config file option for track clipboard changes
Mac-specific: Fix typo
Win-specific: Fix crash if TTS interface is not presented in system
Merge branch 'Original' into Qt4x5