Added structure cache warmer
Merge branch 'hotfix/excerpt' into develop
Merge branch 'hotfix/list-to-tree' into develop
Merge branch 'hotfix/rss-startpage' into develop
Making MassiveBuild an optional dependency
Merge branch 'bugfix/massive-build-is-hard-dep' into develop
fixed bug with order by not selected field
Merge branch 'hotfix/slash-url' into develop
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into develop
Merge pull request #294 from sulu-cmf/bugfix/list-sort

[BUGFIX] order by not selected field
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into feature/sturcture-warmer

Conflicts:
	composer.json
Merge pull request #286 from sulu-cmf/feature/sturcture-warmer

Added structure cache warmer
resetted composer
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into develop

Conflicts:
	composer.json
Added structure cache warmer
Started refactoring for Snippets

- Make Structure a super type
- "Page" will take role of current Structure
- Snippet will be subclass of Structure
Introduced Page and added ContentMapperRequest object

- Introduced Page object as subtype of Structure.
- Added ContentMapperRequest and saveRequest method to content mapper
INtroducing Structure support
Added page and snippet mixins
Added Sulu Fixtures

- Loads data for webspace pages and snippets using the content mapper