Merge pull request #1021 from clebertsuconic/master-fix

improvements on file lock per bz916625
Revert "Debug Statements - do not merge this on master"

This reverts commit 4fa7258734dcc60ad9dddb1b3c446a7e19ef38a3.
Merge pull request #1022 from FranciscoBorges/master

revert clebert's debug commit
2.3.0.Final release
revert to 2.3.0.SNAPSHOT
Merge pull request #1023 from andytaylor/master

release PR