unoptimized check for changed file handles
Merge remote-tracking branch 'upstream/develop' into PLFM-2678
table row deletion
scan backwards optimization
Merge commit '77a2135' into PLFM-2387

Conflicts:
	lib/jdomodels/src/main/java/org/sagebionetworks/repo/model/dbo/dao/table/TableRowTruthDAOImpl.java
Merge remote-tracking branch 'upstream/develop' into PLFM-2670

Conflicts:
	services/repository-managers/src/main/java/org/sagebionetworks/repo/manager/table/TableRowManagerImpl.java
Merge remote-tracking branch 'upstream/develop' into PLFM-2387

Conflicts:
	services/repository-managers/src/main/java/org/sagebionetworks/repo/manager/table/TableRowManagerImpl.java
Merge commit 'e8dfd85' into PLFM-2387
fix the merge
Merge pull request #1195 from marcel-blonk/PLFM-2670

Plfm 2670 - make sure file handle changes are legal