Add user view permission database field to installer

Related to issue #307
Merge pull request #322 from xaro1/master

Add user view permission database field to installer.

Thanks!!!
allow skin specific template file
allow skin specific view helper
calculate main navigation in here, instead of layout file
view helper to render tabbed menus
use menu view helper and pre-calculated navigation entries
fixed: allow skin specific view helper
added key to navigation entries to allow mapping via unique identifier
skin specific view helper
icon font for flat skin
skin specific files
improved menu
improved menu
revert
design improvements
partial'ized main template
moved logic for generating list entries to main script
support skin view helper if skin template exists
added bootstrap v3 rc 1
new view helper