Merge branch 'release/2.0'
* release/2.0: (155 commits)
bump version number
New translations index.html (Luxembourgish)
New translations index.html (Spanish)
New translations index.html (Bulgarian)
New translations index.html (Czech)
New translations index.html (Danish)
New translations index.html (German)
New translations index.html (Greek)
New translations index.html (Finnish)
New translations index.html (Irish)
New translations index.html (Hungarian)
New translations index.html (Italian)
New translations index.html (French)
New translations index.html (Lithuanian)
New translations index.html (Polish)
New translations index.html (Portuguese)
New translations index.html (Russian)
New translations index.html (Slovak)
New translations index.html (Slovenian)
New translations index.html (Swedish)
...
