I just gave the installation a run (just for fun). Here are some directions.
Download the tar.gz file from the website and untar it.
There would be a readme file in the folder. Follow the instructions in that folder to install the directory.
Before you start with the instructions in the 'readme' file, do the following
yum install qt qt-creator cmakegcc gcc-c++
One or more of the packages might already be installed. Once this installation completes, start with the instructions in the readme file.
Hope this helps.
---------- Post added at 03:55 PM ---------- Previous post was at 03:18 PM ----------
A further note: If you want to build a rpm (although, you don't have to), you might need the following packages
yum install rpm rpm-build