[+] added models for list items
[+] added list layouts (mostly imported from AOSP)
[~] VpnManagerService now sends broadcast messages about it's state
[~] ListItem and VpnData refactored to use models
[*] fix bug in VpnPayload (wrong path to user defined name)
[*] fixed a bug: SqliteRequestThread newer starts
[~] InstallConfigurationTask now fills vpn_data table while installing profile
[+] add model creation to a mapper
[~] Main activity rewrited to show vpn list
[+] increase application version