Merge branch 'hotfix/gitools-1.6.4'
Merge branch 'release/gitools-1.7.0'
Add a VERSION command to check the Gitools version remotly
Merge branch 'release/gitools-1.7.1'
Release 1.8.0
Merge branch 'release/gitools-1.8.1'
Merge branch 'release/gitools-1.8.2'
Merge branch 'release/gitools-1.8.3'
Merge branch 'release/gitools-1.8.4'
Release version 2.0.0
Group comparison error when all the values in one row of the two groups are equal. Fix #133
Set version to 2.0.1
Merge branch 'hotfix/gitools-2.0.1'
Merge branch 'release/gitools-2.1.0'

Conflicts:
	gitools-biomart/pom.xml
	gitools-core/pom.xml
	gitools-core/src/main/java/org/gitools/core/stats/test/MannWhitneyWilxoxonTest.java
	gitools-intogen/pom.xml
	gitools-kegg/pom.xml
	gitools-obo/pom.xml
	howto-release.txt
	org.gitools.cli/pom.xml
	org.gitools.ui.app/pom.xml
	org.gitools.ui.platform/pom.xml
	org.gitools.utils/pom.xml
	pom.xml
Merge branch 'release/gitools-2.1.1'
Release version 2.2.0
Merge branch 'release-2.2.0'