Added "Device information and abilities" guide
Removed Unicode BOM from guides/device_information_and_abilities.txt
Merge branch 'device_information_and_abilities' of github.com:javiermolina1234/rhomobile-docs into device_information_and_abilities
Updated "Device information and abilities" guide to use RhoMobile 4.0 syntax
Merge remote-tracking branch 'origin/device_information_and_abilities' into device_information_and_abilities
Minor edits
Merge pull request #19 from javiermolina1234/device_information_and_abilities

Add "Device information and abilities" guide