- libmagic sometimes adds trailing descriptions about encodings, line
terminators and whatnot, we dont want to care about those (RhBug:796218)
- not all python-related strings start with [pP]ython either, sometimes
libmagic says "a python script" or "a /usr/bin/python script" and
whatnot, so loose the start-of-line restriction as well
- file 5.10 has changed magics at least for perl and python scripts, samples:
5.09: a /usr/bin/perl -w script, ASCII text executable, with very long lines
5.10: Perl script, ASCII text executable, with very long lines
5.09: a /usr/bin/python script, ASCII text executable
5.10: Python script, ASCII text executable
Signed-off-by: Panu Matilainen <pmatilai@redhat.com>