translating by icybreaker
Merge branch 'master' of https://github.com/LCTT/TranslateProject
Merge branch 'master' of https://github.com/LCTT/TranslateProject

Conflicts:
	sources/Ubuntu Wallpaper Contest Offers Artists Chance to Feature on Millions of Desktops.md
translating by icybreaker
Merge pull request #959 from icybreaker/master

Translating"How to Upgrade to GNOME 3.12 in Ubuntu 14.04.md" by icybreaker