base: karma added to bower conf

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
global: karma config improvements

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>
global: fixtures

Signed-off-by: Kamil Neczaj <kamil.neczaj@cern.ch>