BOINC Inactivity Fix

This scripts uses boinccmd to activate/deactivate GPU tasks in BOINC. The latest BOINC manager offers you the possibility to choose how many minutes your pc should wait in idle before starting tasks, but in Linux this setting is really bugged, because BOINC manager seems not to recognise the inactivity of the user. This script solves this problem. The control of this script affects only the GPU, because CPU-only tasks are executed at a very low-priority, and they usually won't affect any performance during a typical use of a linux system Configure easily this script opening the .ini file.