Use ;; for comments

Signed-off-by: Andy Grover <agrover@redhat.com>
Fix the comment for git-grep-current.

Signed-off-by: Andy Grover <agrover@redhat.com>
Handle spaces better

Add functions that remove whitespace along with del and bksp.

Add Ctrl-A to select everything.

Turn on electric indent mode and bind RET to newline-and-indent.

Reindent c-mode-common-hook hook.

Signed-off-by: Andy Grover <agrover@redhat.com>