Fix broken import in collector.py.
Let loadPlugins() support any sequence type, not just list.
Add unit test for collector module.  Hide six egg from git.
Upgrade six version
Merge pull request #76 from harobed/upgrade-six

Upgrade six version
Append "start-dir" configvar support in [unittest] section
fix mp processes cmdline option
add a help statement for 'verbose'
Merge pull request #78 from sanga/small_fixes

Small fixes
Merge pull request #75 from harobed/start-dir-configvar

Append "start-dir" configvar support in [unittest] section
Merge pull request #70 from Metaswitch/master

Fix bugs in setup.py collector
Fix interaction between start-dir config and collector fix
fix a few spelling mistakes in docs and examples
Merge pull request #83 from sanga/fix_typos

fix a few spelling mistakes in docs and examples
handle if setUpClass is parent class under multiprocess
Merge pull request #85 from sanga/fix_multiprocess_class_fixutres

handle if setUpClass is parent class under multiprocess
Added missing documentation about the layer's description attribute

It might need rephrasing but I had to look through the code to find it.
Made the layer's description change more visible.
Merge pull request #86 from thedrow/patch-1

Added missing documentation about the layer's description attribute
Fixed PEP8 style errors using autopep8.