Merge pull request #6 from cs27x/fix/postingstore

Changes network store with local network store and adds allPosts method ...
New Posting View Controller and Registration View Controller complete
Merge pull request #7 from cs27x/feat/loginView

New Posting View Controller and Registration View Controller complete
Create README.md
Update README.md
Merge branch 'master' of https://github.com/cs27x/SchoolCraig_iOS
Merge branch 'feat/network'
Added filters
Implement filterByUser
Implements CreateUserRequest with network store
FilterByCategory
Add FilterByCategory Test
Temporary fix to user registration
Merge branch 'master' into feat/filters
Added categories for category model
Merge pull request #8 from cs27x/feat/category

Added categories for category model
Updated
Add testFilterByCategory
Add testFilterByUser
Merge branch 'feat/filters' of https://github.com/cs27x/SchoolCraig_iOS into feat/filters