add test user to fuse group in platform specific scripts
split platform specific files for slc5 x86 and x64
add a python script that uses boto to spawn and terminate instances on ibex
restructuring of the cloud testing sub directory
adapt run.sh for new directory structure
spawn virtual machines and wait for them to become accessible
Merge pull request #131 from reneme/cloud_testing

Cloud Testing: SLC5 x86 support + rudimentary VM steering scripts