Added stdout and stderr attributes to the ReposeValve object.
Merge branch 'read_stdout' into develop

Conflicts:
	repose.py
Added the ThreadedStreamReader class.
Added initial threading stuff.
Added a queue and populated it with the lines read from the stream. Added a stream_printer function to ease reading of stdout and stderr.
Added the clear_folder function.
Re-arranged code.
Merge branch 'read-stdout-2' into develop
Added a LICENSE file.
Re-worked LICENSE.
Added copyright info to main repose.py file.
Merge branch 'license' into develop
Merge branch 'develop'