Pass Frontend_Environment to Render
add support for aggregations to find() and count() mongo operations
add support for aggregations to CM_PagingSource_MongoDb to allow more complex search operations
ci: install mongo server 2.6.x
use 'skip' and 'limit' operations for offset and count instead of unavailable cursor->skip() and limit() operations when using aggregation
jsonEncode mongo call-params for debug info
add more info to individual debug usages
add aggregation-capabilities to CM_Service_MongoDb::findOne()
add test for findOne()
Revert "Revert "BREAKING: Lazy decoding of CM_Params"" to bring back separation of encoded/decoded params.
This reverts commit bae52f788dae429b6abe4bd4b3a6713a4eeb4a4d.
Calls to construction of CM_Params made with explicit encoded flag.
Merge branch 'master' of github.com:cargomedia/CM into issue-1289
fix tests after merging upstream
Merge branch 'master' into issue-1389

Conflicts:
	composer.json
Merge pull request #1390 from vogdb/issue-1389

Breaking: Lazy decoding of CM_Params.
implement createCollection(), createIndex(), hasIndex(), dropDatabase() on CMService_MongoDb
implement createCollection(), createIndex(), hasIndex(), dropDatabase() on CMService_MongoDb
clean up mongo collections after each test
drop mongo db on forceReload in setup
Merge branch 'master' of github.com:cargomedia/CM into MongoDb-adjustments
add collections- and index-creation mechanism
tie mongodb clear to regular db clear;
empty collections instead of dropping them;
ensure creation of mongo-resource folder