Install elastic on fresh Ubuntu 12.04;
Install python-dev for amcat on ubuntu 12.04
correct url for media location
Correct ownership of amcat's home-directory
Allow different locations for home-dir of user amcat
Remote amcat repository as variable
Start celery the 3.1.5-way
Create log-directory for user amcat.
Typo (AMCAT_LOGDIR variable)
Repair errors in previous commits.
Install elastic plug-ins head and icu.
New attempt to have the script generate a log-directory properly.
Merge pull request #3 from PaulHuygen/master

merged in improvements by Paul