Updated travis to test gramps42, and changed version to omit git number

.travis.yml

@@ -8,7 +8,7 @@ language: c
 #    - 3.4
 
 install:
-    - git clone --depth=50 --branch=master git://github.com/gramps-project/gramps.git gramps-project/gramps
+    - git clone --depth=50 --branch=maintenance/gramps42 git://github.com/gramps-project/gramps.git gramps-project/gramps
     - cd gramps-project/gramps 
     - time sudo apt-get update
     - travis_retry sudo apt-get install gir1.2-pango gir1.2-gtk xdg-utils librsvg2-common libglib2.0-dev intltool 

gramps/gen/const.py

@@ -128,8 +128,8 @@ sys.path.insert(0, ROOT_DIR)
 git_revision = get_git_revision(ROOT_DIR)
 if sys.platform == 'win32' and git_revision == "":
     git_revision = get_git_revision(os.path.split(ROOT_DIR)[1])
-VERSION += git_revision
-#VERSION += "-1"
+#VERSION += git_revision
+VERSION += "-1"
 
 #
 # Glade files