installation: initial release of kickstart scripts
- NEW Initial release of kickstart installations scripts. Ported from the old tiborsimko/invenio-devscripts repository of helper scripts and adapted to resemble Invenio 3 kickstart installation scripts. Tested on Ubuntu 12.04 and CentOS 6.
- FIX Fixes Apache virtual host configuration generation on CentOS 6.
- Skips running file stamping test cases in case pdftk is not available.
- Skips running certain tests when an SMTP server is not available, such as on Travis CI.
- Amends Travis CI configuration to use now-embedded kickstart scripts rather than remote tiborsimko/invenio-devscripts.
- Introduces Vagrant configuration useful for developers.
Signed-off-by: Tibor Simko <tibor.simko@cern.ch>