Update Ovation API to 2.1.26
prepare release 2.1.15
update to snapshot version 2.1.16-SNAPSHOT
Rename Data Viewer action

https://trello.com/c/mhvOZvAA
Adds 48x48 png for GNOME
Linux packaging using fpm

Install instructions at https://github.com/jordansissel/fpm
Remove lintian from make_rpm
Updating package build

Add description and epoch for RPM and deb