Show proper error message when apt or aptitute not installed
Fix path for opening sqlite and cahce_db_widget for gem
Modifications to properly work with iOS 8

 - pendings tests if iOS 7 is still working properly...
display keychain access group and data dir on ios8
Minor fix for broken screenshot in iOS 7
accomodating "plistutil" vs. plutil..
Merge branch 'master' of github.com:dmayer/idb