renamed metlog-cef to heka-py-cef
got rid of requirements.txt and moved cef dependency into required.txt
changed sending NULL values over to sending empty strings instead for
hekad 0.2
Merge branch 'features/heka-patch' into dev

Conflicts:
	HekaCef.spec
	HekaPyCef.spec
	MANIFEST.in
	MetlogCef.spec
	README.rst
	heka_cef/cef_syslog.rb
	heka_cef/tests/test_cef.py
	required.txt
	setup.py
dropped syslog_options and updated docs
added theme directory for mozilla-sandstone
Merge branch 'features/drop-syslog-options' into features/heka-patch
fixed default facility to be LOCAL4 as per documentation