Revert "[maven-release-plugin] prepare release v.1.0.1"

This reverts commit 1ba3129b653807c36ab962381b7d2199cb81b7f4.
Revert "[maven-release-plugin] prepare release v.1.0.1"

This reverts commit 1ba3129b653807c36ab962381b7d2199cb81b7f4.

- AndroidManifest: Adapted version code to current development version (should have been done in rev 027f990dce9f6cc859f57a0968221e1932e12e45)
- Parent POM: Added scm:checkin that should commit changes version code in AndroidManifest.xml for next  development iteration during release:prepare.
- Parent POM: Removed disabling of skip deployment, because it didn't work as expected.