New key binding: TeX-complete-symbol -> C-tab
New snippet (latex-mode): citean
Add .gitignore
FIX: EOL in snippets files
Add configurations for emacsclient
FIX: Colors in emacsclient
Fix and add many snippets
FIX: Forward search with Synctex (AUCTeX + Okular)

See https://bugs.kde.org/show_bug.cgi?id=274294#c20