Typo in git clone command.

Changed from OctoPiPrint to OctoPiPanel.
Update README.md
Merge pull request #5 from okpail/patch-2

Update README.md
Update default config to use localhost

Update default config to use localhost and not hard-coded IP
Merge pull request #7 from guysoft/master

Update default config to use localhost #6
Merge pull request #8 from jonaslorander/master

Master