some more code cleanup following the guillotine (bug 1073432)
Fix inconsistencies in the installation docs thanks to @vinyll
Merge pull request #356 from davidbgk/install-review-with-vinyll

Fix inconsistencies in the installation docs thanks to @vinyll
Merge pull request #299 from magopian/1073432-remove-webapps-from-code

[DO NOT MERGE] some more code cleanup following the guillotine (bug 1073432)