added brand new nar maven plugin 3.0.0
updated android maven plugin 3.8.0 to 3.8.1
- Based on deprecated prerequisites using the
  maven-enforcer-plugin.
Merge pull request #9 from khmarbaise/master

- Based on deprecated prerequisites using the
appeneded changelog and readme with details from pull request 9
added tidy plugin 1.0-alpha-2
updated maven-jxr-plugin 2.3 -> 2.4