add odwlib
add deadline's event plug-in to generate quicktime movie after rendering job complete.
add rv's Mu script to add watermark text on images.
For long composite strings like this consider using advanced string formatting ''.format(**args)
1)move user.py from odwcore/system to odwlib/system
2)add some custom base modules for odwlib:
   a)debug
   b)log
   c)socket
   d)thread
   e)unitTest
Merge pull request #13 from hongloull/develop

Develop