JSONAlchemy: removes abc usage

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
Merge pull request #184 from adrianp/poo

JSONAlchemy: removes abc usage
comments: Bootstrap3 fixes

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
apache: fix configuration generator
BibSched: create "run" directory
travis: test apache configuration

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Merge pull request #187 from adrianp/poo

comments: Bootstrap3 fixes