Fixed possible crash

When no NDK installed and new project is created.
Some cleanup
DeveloperDefinition can cache full author's info
Created UI to input author info (publisher)

In that process the 'Signing' option-page was split into two and this is
how 'Backup' page was born.
PuppetMater also takes into account author (publisher) values specified.
Loaded debug-token info updates cached author-info