CORE-1604 Minot maven pom cleanups

Apparently still need the relativePath
CORE-1424 SQL Generation ignores DATETIME parameters

Need to determine mysql versions that support this
Need to escape databaasechangelog columns in select, in particular for redshift where "TAG" is a keyword
Revert "Put back change to checksum calculation introduced in 3.0.5"

This reverts commit 6cbe6b307c13c6511254a98ddbb80245689d5d3c.
CORE-1645 Add unit test to verify checksum of update change with where condition.
Merge branch '3.0.x'

Conflicts:
	liquibase-core/pom.xml
	liquibase-debian/pom.xml
	liquibase-integration-tests/pom.xml
	liquibase-osgi/pom.xml
Revert "Revert "Put back change to checksum calculation introduced in 3.0.5""

This reverts commit 1a31b749d70356b0664d67cedab71dac298d52a2.
CORE-1645 adjust unit test for checksum change
Merge pull request #210 from adangel/master

Merge from branch 3.0.x and verify CORE-1645