OOZIE-1425 param checker should validate cron syntax (bowenzhangusa via rkanter)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1506380 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
OOZIE-1465 Making constants in CoordELFunctions public for el extensions (shwethags via rohini)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1506547 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
OOZIE-1466 current EL should not check for less than or equal to zero (rohini)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1506948 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
OOZIE-1467 Bundle not killed if coordinator fails due to db exception (rohini,virag via virag)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1507051 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
OOZIE-1469 loadState() and/or verifyPrecondition() are blank in some commands (virag)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1507515 13f79535-47bb-0310-9956-ffa450edef68
OOZIE-1470 BundleStatusUpdateXCommand should get lock for bundle job (virag)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1507516 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
OOZIE-1473 getKey() not overridden in some commands causing duplicates in queue (virag)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1508128 13f79535-47bb-0310-9956-ffa450edef68
OOZIE-1472 Confirm against database before generating start and duration miss events (rohini)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1508133 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
OOZIE-1479 Duplicate end_miss events introduced by OOZIE-1472 (rohini)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1509504 13f79535-47bb-0310-9956-ffa450edef68
OOZIE-1482 4.0 client does not work with 3.x server for coord jobs (rohini)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1509506 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
Merge branch 'trunk' of https://github.com/griddynamics/oozie into trunk-gd

Conflicts:
	pom.xml
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-308-trunk-gd