polib is now on PyPI
Moved credits into a language-independent file
Added Nelson Brown to the credits
Changed copyright year to 2014
Fixed copyright year
v2.7.2
Fixed build script for OS X
Fixed wrongly named credit.tmpl files in doc
Merge branch 'master' into develop

Conflicts:
	README.md
	hscommon/io.py
	hscommon/tests/reg_test.py