Search for ZipAlign in the Build Tools instead of Tools
Merge pull request #453 from Shusshu/issue-zipalign

Search for ZipAlign in the Build Tools instead of Tools
removed redundant annotation
migrated to new release of dep tree from Maven project
fixed depenedency declaration for dep tree
update version of plugin testing, require java 7 or higher since its needed by the plugin testing
downgraded maven version to run plugin back to 3.0.5
added method to produce goal name for specifc version of plugin
cleaned up test
upgraded android sdk lib
added workaround for site and animalsniffer failure due to invalid icu4j class file
[maven-release-plugin] prepare release 4.0.0-rc.1
[maven-release-plugin] prepare for next development iteration
updated to working version of github site plugin