Renamed Permissions to DiscussionTopicPermissions

also renamed Permission class in CanvasContext to CanvasContextPermisson
Release 1.1.0

Available via Maven later today.
Add getters to a few enums.
Merge pull request #10 from joshruesch/master

Add getters to a few enums.
Merge pull request #8 from nbutton23/discussion_topic_header

Renamed Permissions to DiscussionTopicPermissions
Add a .toString() for easier tab logging
Merge pull request #11 from joshruesch/master

Add a .toString() for easier tab logging
Added Null checking to StreamItem

Created helper to do Null checks in API helpers.
Merge pull request #12 from nbutton23/MBL-2099-streamItem

Added Null checking to StreamItem
CanvasContext.Type.is* checks to make sure pram is not null
Merge pull request #13 from nbutton23/Nullpointer-check-in-CanvasContext

CanvasContext.Type.is* checks to make sure pram is not null
Add referrer for slideshare

see comments in code
Merge pull request #14 from nbutton23/add-refferrer-for-slideshare

+2
Renamed Permissions to DiscussionTopicPermissions

also renamed Permission class in CanvasContext to CanvasContextPermisson
Release 1.1.0

Available via Maven later today.
Add getters to a few enums.
Add a .toString() for easier tab logging
Added Null checking to StreamItem

Created helper to do Null checks in API helpers.
CanvasContext.Type.is* checks to make sure pram is not null
Merge remote-tracking branch 'upstream/master'