Adding Iterator and Map imports. fixes #8
Merge pull request #30 from ybakos/8_hashMap_Iterator

Adding Iterator and Map imports.
Update to todo.txt and git ignore file
Attempt to update website through git, not svn
Test exhibition addition for web generation test
Tests worked, all generated files are updating site through git
Removing the file for the depricated PImage_alpha.xml
fixing up pshape tutorial #15
Fix to exhibition
Remove links to Google Code, replace with GitHub