travis ci: build maint branches and development'

.travis.yml

@@ -46,10 +46,11 @@ after_success:
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo apt-get -qq install valgrind; fi
  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then valgrind --leak-check=full --show-reachable=yes --suppressions=./libgit2_clar.supp _build/libgit2_clar -ionline; fi
 
-# Only watch the development branch
+# Watch development and stable branches
 branches:
  only:
    - development
+   - /^maint\/.*$/
 
 # Notify development list when needed
 notifications: