vimrc: last file shortcut

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
vimrc: tweaks

* 3-letter mappings for all LaTeX-Box commands.

* Remove mapping timeouts.

* Improve fast escape.

* Add section for installation specific mappings.

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
bash_aliases: lithium version

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
gitconfig: remotes

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
vim,screen: options enabling

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>