rhbz1036435 - Upgrade liquibase to 3.x stream.

Upgrade xml schemas used.
Remove deprecated modify-table liquibase extension. Replace all of its uses with more recent replacement directives.
rhbz1036435 - Change trigger changelog id.

This is to force the new liquibase version to run them unconditionally.
Also remove referecnes to the deprecated liquibase extensions from the changelog files.
rhbz1036435 - Add comment with liquibase upgrade notice.
rhbz1023231 Upgrade to JavaMelody 1.48.0
Merge pull request #308 from zanata/liquibase-3.x-upgrade

rhbz1036435: Upgrade liquibase to 3.x stream.
Test for basic addition of versions to groups

Add a group and verify it shows in the list.
Merge pull request #311 from zanata/javamelody1.48.0

rhbz1023231 Upgrade to JavaMelody 1.48.0
Fix version group ID test

The behaviour of the version group id field has changed to
disallow users from entering greater than 40 characters. Test
that this performs appropriately.
Merge pull request #312 from zanata/add-project-to-group-test

Test for basic addition of versions to groups
Merge pull request #310 from zanata/fix-groupid-length-test

Fix version group ID test
fix for parent jdk range problem
Merge pull request #313 from zanata/fix-jdk-range

fix for parent jdk range problem
Merge branch 'integration/master' into editor-cleanup
Fix test, layout of buttons