return absolute URLs
refactor CM_Service_MongoDb into CM_MongoDb_Client
check mongo responses for errors
include insertId in insert-response, if no _id field is passed
fix batchInsert()
enable direct array-expressions to be passed to mongo::insert() instead of only variables
return insertId on mongodb::insert()
Increase session lifetime to 3 days

3600 * 24 * 3 = 259200
minor variable renaming to increse readability
Add comment for lifetime default
adjust render tests
only load visible ads
Merge pull request #1424 from dlondero/issue-1424

Increase session lifetime
Fix usercontent filesystem config for tests
Merge pull request #1423 from christopheschwyzer/issue-1423

use absolute URLs
Merge pull request #1427 from christopheschwyzer/issue-1427

Only load visible openx advertisements
Add CMTools Generator classes
Add tests for CMTools
Move CMTools into CM_Tools
Remove Filesystem from FilesystemHelper

- create .gitkeep files within newly created directories