Update README.md

Changed permissions section
Update README.md

expaned start.php, app.php and database.php with details from original ReadME
Merge pull request #228 from madd15/patch-1

Update README.md
Added Nginx configuration details for step 7.
Merge pull request #267 from charlieoleary/patch-1

Added Nginx configuration details for step 7.
Updated docs
Numbers are hard :(
Few more doc updates with common issues
Added CrowdIn link and info
Updated docs
Updated docs for new avatar and model image uploads
Updated permissions instructions in Windows install
Updated requirements for Intervention package
Update README.md
Merge pull request #311 from pakkua80/documentation

Update README.md
Update PHP 5.4 and MariaDB 10.0.14
Merge pull request #312 from madd15/patch-4

Update PHP 5.4 and MariaDB 10.0.14