Changed release to 1.4.1-SNAPSHOT
Fixed issue #1512 and added the Test Case BlueprintsKeyIndexTest in Blueprints OrientGraph project
update pom for support sonatype release.
Index restore procedure was fixed but without MT fixes.
Index restore procedure possible MT issues were fixed.
Merge branch 'hotfix-1.4.1' into tx-plocal
Fixed issue #1514
Issue #1404 Initial Tx implementation was implemented without tests.
Merge pull request #1515 from tglman/develop

update pom for support sonatype release.
Added synchronization statements in OStorageLocal.addCluster() to fix a concurrency problem on db open + index rebuild
Issue #1404 All Tx tests were passed.
Flushed out index memory on database close
Minor: fixed some NPE discovered when running in distributed cfg
Clustering: fixed network management
Issue #1404 WAL performance optimizations. Blueprints tests were successfully passed.
Issue #1404 WAL durability test improvements.
Restored mvrbtree.optimizeThreshold setting to 100k to speedup index rebuilding
Minor: update total flushed blocks on log
Re-create network connection pool on connection lost. This is very important in distributed architecture
Index: unloaded stuff from memory after rebuild