Update README.md

Tested on Arch Linux.
Changed remaining absolute paths to binaries in php shell commands
Merge branch 'master' of https://github.com/triforce/linux-dash

Conflicts:
	README.md
Update README.md
PHP Notice - Undefined variable if uptime less than 24h
Merge pull request #82 from vernes/master

PHP Notice - Undefined variable if uptime less than 24h
Merge pull request #81 from triforce/master

Update README.md
removed text from refresh button in widget headers
added draggable widget functionality via jQuery UI; not persistent; needs much refinement;
Finally found the dashboard template page; Added
Merge remote-tracking branch 'upstream/master'