documented the first installation steps
moving installation steps to getting started section
download steps are included in installation steps
documented the first run steps
moving first_run docs to getting started and remove unused docs
documented "Become Super Admin"
Merge pull request #78 from FenixXx/release-1.10

[UrT4.2] parser updates with all hitlocation codes and damage table
Merge pull request #79 from ozon/doc/userdoc

Doc/userdoc for 1st installation steps, 1st run steps and become super admin
[DOC] minor changes to the install page