* remove js from some headers
 * set coding:utf-8 to allow real names in headers

 * Remove some licencing problems
 * To do: same for images
 * See #4200

we have that in all files. To at least lesser the confusion a bit, add
vim tags for that.
Additionally, fix wrong #! in a few files.

if print_time==sometimes : Show the day if needed also. Use locale for time format (do
not force
24h)
Delete a lot of unused locale variables (thanks pychecker)
del gajim.py useless global vars after use
configpaths.py : use self. not this.