Structured the install section
Rewrote some parts
Added new sections
Changed some parts in the text
Changed the text
Merge branch 'master' of https://github.com/phune-gaming/pg-docs
Changes in the Getting Started section
Changed text
Did some changes in the text
Changed the PG description
Text changes
Fixed my error in the layout
Changes in the text
Changed the headers
Changed the list in Install PG
Text changes
Text change
Merge pull request #1 from stand579/master

Did changes in the documentation