refs #1184 - added editing of true / false values in settings page

fixes #1207 - debian / ubutnu installation might ask for a keyboard during preseed

fixes #1156 - default kickstart should not do yum upgrade

fixes #1063 - can't deploy default pxe menu

Revert "fixes #1183 - make an ESXi server appear in the UI without errors"

This reverts commit 017979ebc84eb91c302d632b7382eedb91259a66.

fixes #1199 - hosts count in puppetclass page always shows 0

Note that this fix still ignores classes assgined via hostgroups.

refs #1201 - adds the ability not to import all subnets

TODO: redo this at some point with checkboxes

fixes #1201 - Import Subnets from DHCP server

fixes #1187 remove unrequired menus when foreman is not used for provisioning

this includes URLS, setting menu items and buttons.

Feature #1184 - allow to save array based settings

this also moves the setting page to use inline edit