Added the taskjuggler mode
Make sure the git status is launched using the C locale.

The parsers make this as an assumption
Taskjuggler calls now use a customizable command, defaulted to tj3
Remove the autoload feature from task-juggler. IMHO, It is the work of the user to make the association
Added a command to launch the manual from a taskjuggler buffer with C-c h
Added hobeika cfg as submodule to make use of the notmuch config