Conda package based CI

Fixes #35 (closed) and #48 (closed)

conda/build-condarc

+default_channels:
+  - https://repo.continuum.io/pkgs/main
+  - https://repo.continuum.io/pkgs/free
+  - https://repo.continuum.io/pkgs/r
+  - https://repo.continuum.io/pkgs/pro
+add_pip_as_python_dependency: false
+show_channel_urls: true
+anaconda_upload: false
+ssl_verify: false
+channels:
+  - http://beatubulatest.lab.idiap.ch/private/conda
+  - https://www.idiap.ch/software/bob/conda/label/main
+  - defaults