Allow insertion of GPL notice and file header when the filetype is
not set.
Add commenting for PHP & HTML GPL notice and file header templates.
Add make_comment_block() to templates.c.
Move document_prepare_template(), filetypes_get_template() to
templates.c.


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@994 ea778897-0a13-0410-b9d1-a72fbfd435f5