Be able to create projects
Implement functionality for getting projects and canvases
Move sql file to backend repository
Don't duplicate the statement
Merge pull request #18 from boom1992/master

Be able to create projects
Fix PHP notice

that was shown because a constant was defined twice.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge pull request #20 from tobiasmuecksch/master

Fix PHP notice
Merge pull request #17 from onurv12/master

Rename remove() to deleteProject() and add return, add methods to open a...
Change getBelongedProjects method to return the role of the user, add method to get roles of users in a project
Modify getAllProjects() to return a dummy Role attribute
Merge remote-tracking branch 'upstream/master'

Conflicts:
	ProductionManager.class.php
Improve mysql query for getting assets
Merge pull request #19 from baerenfaenger/master

Implement functionality for getting projects and canvases
Fix conflict with upstream
Change getBelongedProjects method to return the role of the user, add method to get roles of users in a project
Modify getAllProjects() to return a dummy Role attribute
Fixed conflicts
Modify getUserData() to return moderator and administrator status