[ci] Add ci support

.gitlab-ci.yml

+py27-conda-idiap:
+  script:
+    - source /idiap/group/torch5spro/conda/bin/activate bob-2.3.4-py27_0
+    - git clean -ffdx
+    - export TMPDIR=/var/tmp
+    - python bootstrap-buildout.py
+    - ./bin/buildout
+    - unset TMPDIR
+    - ./bin/python --version
+    - export NOSE_WITH_COVERAGE=1
+    - export NOSE_COVER_PACKAGE=bob.ip.annotator
+    - ./bin/nosetests -sv bob.ip.annotator
+  tags:
+    - lidiap2015