massive insert removed all hooks, including OClassIndexManager,fixed
Merge pull request #2236 from maggiolo00/massive-insert

Massive Insert
Documentation
Merge remote-tracking branch 'origin/develop' into develop
Fixed issue #2228
Refactoring of OTransactionOptimistic. Fix warnings.
Explain: added new context variable involvedFields when indexes are used
Merge branch 'develop' of https://github.com/orientechnologies/orientdb into develop
JSON: Fixed issue introduced with last commit
Minor: improved thread names

Included ALWAYS OrientDB, on plocal threads added database name, on
http connection the local/remote host/post
Added default value for variable parsers
Added OClass.addCluster() + Fixed distributed schema management
Distributed: fix issues with schema
updated Studio
Improved creation of class from remote

class+cluster are created at the server side with just 1 call
Supported writeRecords also of arrays
Fixed issue #1944
Fixed issue #2252
Revert "Improved creation of class from remote"

This reverts commit 434e00d769a3ae05fc5899690a0089d941d809c4.
Revert "Added OClass.addCluster() + Fixed distributed schema management"

This reverts commit af18d41e352332e32702f9458e620930f6342a24.