added ifrepaired snippet for cfengine3-mode.

Signed-off-by: Andreas Gerler <baron@bundesbrandschatzamt.de>
snippets/cfengine3-mode/thisbundle: tb to get string of current bundle if which-function is active.

Signed-off-by: Andreas Gerler <baron@bundesbrandschatzamt.de>
snippets/cfengine3-mode/fileappend: exit snippet at append_if_no_lines.

Signed-off-by: Andreas Gerler <baron@bundesbrandschatzamt.de>