AutoRecall & auto dial, redial

Invalid date

v2.22
Bugfix: cheat code validation needs internet access, needed permissions granted
v2.21
Feature: new help and version changes dialog
Refactoring: now it works fine on android 4.01 and above
Bugfixes based on debugreports

v2.2
1. Speaker switch: rare speaker-is-not-turned-on bug is fixed
2. Confirmation dialog before calls is switch-able (for advanced users)
3. Clearing call log: clears call log after each attempt - so log of previous calls will not be pushed out.