Update contentType length

In some case the contentType can be more than 64 characters, Mysql truncate the string in that case however PostgreSQL throws an exception.
Two fixes related to making PHPCR-ODM work

- Changed requirements on routes to use .* to allow full paths
- Use ->find($id) instead of ->findBy(array('id' => $id)) which would
  never work with PHPCR-ODM
Specify alias for PHPCR
Fixed mapping files
Added repositories
Merge pull request #602 from dantleech/fixes_for_phpcrodm

[WIP] Two fixes related to making PHPCR-ODM work
Fix composer.json to work on travis
Fixed typo in LiipImagineBundle
Merge pull request #606 from gtrias/patch-1

Fixed typo in LiipImagineBundle
The api_form doesn't have as requirements doctrine_orm, FOSRest and NelmioApiDoc
Merge pull request #608 from asiragusa/master

The api_form doesn't have as requirements doctrine_orm, FOSRest and Nelm...
Wrong parameter in sonata.media.admin.media.manager.
Merge pull request #611 from ioannah/doctrine_mongodb_admin

Wrong parameter in sonata.media.admin.media.manager.
Add Symfony v2.5 to travis
Merge pull request #568 from rpg600/patch-1

Update contentType length
add api_form service configs for mongodb and phpcr
Merge pull request #618 from MAXakaWIZARD/pr-mongo-phpcr-config-fixes

Add api_form service configs for mongodb and phpcr
Added php 5.6 to .travis.yml
Merge pull request #612 from interstroom/master

Add Symfony v2.5 to travis
fix issue with missing end() call