Remove prefixed backslash
Replace this for drush.
Minor fix.
Don't set the vsite prefix to the courses alias.
Merge branch 'SCHOLAR-3.x' into 6475
Adding courses properly.
Removing courses when updating the app settings.
Merge logic.
Revert "Merge logic."

This reverts commit 29ee70e119a81dd1df4509c0311fbf070990ab33.
Revert "Removing courses when updating the app settings."

This reverts commit 5707e003d919afafbbebf7561a3b3a3e1ca81cd4.
Revert "Adding courses properly."

This reverts commit 7c4e9b7fabb457da4d3df2b8108c61a570dca7d2.
Un-merge logic.
Batch processing to adding course.
Initialized the variable.
Adding function to check if the node type is declared in the os app info.
Fix the tests of the courses importer.
Fix the tests.
Merge pull request #6548 from openscholar/6475

Fix the courses alias patterns