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'
Merge remote-tracking branch upstream/$:{upbranch}

Conflicts:
	gitools-core/src/main/java/org/gitools/persistence/text/AnnotationMatrixTextPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/GeneMatrixPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/GeneMatrixTransposedPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/GeneSetPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/MatrixTextPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/ModuleMapText2CPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/ModuleMapTextIndicesPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/ModuleMapTextSimplePersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/ObjectMatrixTextPersistence.java
	gitools-core/src/main/java/org/gitools/persistence/text/StringMatrixTextPersistence.java