site-elisp: mbsync: set running status earlier

Set the mbsync status to running at process launch, rather than at first
sentinel invocation.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
init: limit magit number of commits

Limit magit maximum number of commits to 30, to spare an endless magit
status on linux kernel.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
init: add customizations

Add packages customizations.
Begin org-mode customization.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
status: add emacs status module

Add the status module, and move some functions to it :
 - date and time is not displayed in buffer status line
 - date and time is displayed in Minibuffer

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
site-elisp: update rscope

Update rscope for a small bug on a tramp connection,
with relative path browsing.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>