Merge pull request #3 from praekelt/feature/add-rest-api-for-content

add rest api for content categories
Merge branch 'develop' of github.com:praekelt/unicore-cms into feature/issue-10-add-rest-api-for-pages
Merge pull request #10 from praekelt/feature/issue-10-add-rest-api-for-pages

add rest api for pages
Merge branch 'develop' of github.com:praekelt/unicore-cms into feature/issue-11-use-post-for-create-put-update