Merge from versions/5.4 to versions/6.0:

Merge from versions/5.4 to versions/6.0:
Merged [7195]: A 'tests' target in build script for running tests in TeamCity.
Merged [7198]: A fix for 'tests' target in build script for running tests in TeamCity.
Merged [7199]: Another fix for 'tests' target in build script for running tests in TeamCity.
Merged [7200]: Publish library JAR as a build artefact in TeamCity.
Merged [7201]: Publish nightly build in web only if publish property set. Publish as TeamCity artefact only in the 'nightly' target.
Merged [7232]: Use 'major.minor.tag' for 'nightly' version number instead of 'major.minor-tag'.
Merged [7233]: Remove old gwt link in 'nightly' target, in case the link target changes.
Merged [7234]: Remove old gwt link in 'nightly' target properly.
Merged [7235]: Make link to gwt directory better in the nightly target.
Merged [7236]: A fix for publishing nightly Jar.

svn changeset:7251/svn branch:6.0