Configure request default options through server config file (Closes #29)
Merge branch 'testing'
make column label prefix configurable
make theme label prefix configurable
fix typo in config/server.json
Merge branch 'feature/31-config-col-prefix' into 'master'

make column and theme labels' prefix configurable

this MR closes #31

See merge request !8
Set default values for column and theme labels
Fix search
New directory layout (Closes #21)
Fix Makefile
Fix travis script
Fix path to selenium JAR
Fix a command in the travis script
Handle http server's errors
Update jimple
Clean server libs
Improve gulp/npm configs
Refactor search
Configure app through gulp
Configure application with gulp