Changed default window size
Temporary fix for vmtkimagevoipainter.py
Avoid VTK warning
Merge pull request #36 from lantiga/master

Fix for vmtkimagevoipainter
Improved voi painter script
Merge pull request #37 from lantiga/master

Improved voi painter script
Fixed latest vmtkimagevoipainter issues with extent translation.
Merge pull request #38 from lantiga/master

Fixed latest vmtkimagevoipainter issues with extent translation.
Avoid exiting in command line mode until the pype has been run at least once.
Merge pull request #39 from lantiga/master

Avoid exiting in command line mode until the pype has been run at least once
Switched to VTK 5.10
Added change to VTK 5.10 to startup distribution script
Added PNG writer with ability to output Base64 encoded images
Removed commented lines
Updated base64 encoder
Merge pull request #40 from lantiga/master

Changed default VTK to 5.10. Added base64 PNG writer.
Deallocate encoded string
Merge pull request #41 from lantiga/master

Deallocate encoded string
Update master
Update master