fixes #1597
updates to the same key at the same second will result in multiple store with the correct order
fixes #1595
cancels schedules tasks when needed
fixes #1595
fix removing tasks
fixes #1595
fix removing tasks
minor fix map.remove
Exception message returned as the result if there are any exception
Merge pull request #1663 from eminn/ScriptingErrorResponse-3.x

[backport] Script Execution will return exception message
fix bug on MultiMap remove
Merge pull request #1614 from eminn/maintenance-3.x

[backport] MapStore changed to use single thread executor
Merge pull request #1671 from eminn/fix/MultiMapTxnRemove

fix bug on MultiMap remove
Merge pull request #1613 from enesakar/maintenance-i-1595

[backport] fixes #1595
Cleaned up ThreadDumpGenerator
Registered an empty callback on putAsync() and removeAsync() to avoid backup memory leak
fixes bugs found by findbugs
Merge pull request #1697 from enesakar/maintenance-findbugs

fixes bugs found by findbugs
added getXAResource() to TransactionContext
map bugs found by FindBugs
added tests to ra-module
added entry-processor-delete tests as ignored
add test dependency and tags for ra-module testing