Add openSUSE, remove duplicate entry, alphabetical order
Updated Multi monitor setup (markdown)
Updated Install and usage (markdown)
Add information about intel-virtual-output tool.
Replaced the link for RHEL/CentOS by the one at ELRepo which is up to date.
Added workaround to solve error loading libglamoregl.so
sys.log -> syslog
Destroyed test (markdown)
Created test (markdown)
Updated FAQ (markdown)
Extend "How can I disable my card" with troubleshooting/verifying
updated https://acpica.org/downloads/unix_source_code.php to https://acpica.org/downloads as the old link was dead
Fixed a typo
"can currently not" changed to "cannot currently"
Updated The Bumblebee Project Wiki (markdown)
Updated Branching Model (markdown)
Destroyed Upgrading on Ubuntu (markdown)
Updated Supported drivers (markdown)
Updated Upgrading on Ubuntu (markdown)
Updated Troubleshooting (markdown)