Add quick fix for normal right click.
Add missing check in spellmanager.

This fix crash in spells window if try drag empty cell.
Change gcc in make scripts from 4.8 to 4.9.
Fix compilation warnings.
Fix crash if start trade with opened storage.
Update translations.
Fix links removing from over head text.
Dont check required field for enable/disable music files downloading.
Change version to 1.4.4.26.
Update translations.
update .gitignore.