rev the version of chrome_gen
Dartify objects.js

Implement Gitobject class in dart.
Merge pull request #56 from dart-lang/upgrade-chrome

rev the version of chrome_gen
Addressed comments.
Merge pull request #57 from dart-lang/add_objects_class

Dartify objects.js
Move object2file module out of git.js.
move sha1 and delta module out of git.js.
partial fix to grind compile issue
Merge pull request #61 from dart-lang/fix-build

partial fix to grind compile issue
Move Pack module out of git.js
Move uploadpackparser out of git.js
Move pack_index out of git.js
Move error_utils out of git.js
Move FileObjectStore out of git.js.
Move crc32 out of git.js.
Merge pull request #60 from dart-lang/move_sha1_and_delta_modules

Move modules out of git.js
Merged with master