Added PreferenceActivity.
URBNG-489
[Android][Database] Multiple games insert tranasaction

Ready
added "synchronized"
Made suggested changes.
Removed quotation mark.
Fixed.
Merge pull request #134 from lucdom/android

[Android] Added PreferenceActivity
Merge pull request #135 from herbatnik/dbgins

URBNG-489 [Android][Database] Multiple games insert tranasaction
Added missing file.
Merge pull request #141 from lucdom/android

Jenkins build fix.
Merge remote-tracking branch 'upstream/android' into android