fix unofficial message dependency generation.
provide a limited scope path for unofficial message generation to avoid picking up old versions.
better message artifact generation.
android plugin upgrade 0.6.1 -> 0.7.1
bugfix dynamic property warnings and set a default maven repo.
Fixes build script to work without fetching artifacts from the rosjava repo.
Fixes a bugs associated with adding repositories from environment variables.
Updates Gradle wrapper version.
Fix message dependency computation.
Removes RosJavaPlugin in favor of having just the RosPlugin.
Fixes several bugs related to reading paths form environment variables.
Adds more robust message package detection from PR #13
Upgrades Android plugin version as done in PR #13
Adds a bootstrap.gradle file constaining the common buildscript closure code. This should not change often and can be applied via URL.
Retab Android plugin.
Changed bootstrap script to follow the advice given here:
http://forums.gradle.org/gradle/topics/inherit_inject_buildscript_dependencies_into_custom_script_within_subproject
Fix reviewer comments.
Changes bootstrap script to also include plugin dependencies.
Changes from maven-publish to old style publishing. It's easier to integrate with Android and maven-publish is still incubating.
Increases the Gradle wrapper version to the latest version compatible with Android tools.
Merge pull request #24 from damonkohler/work

Lots of build system updates.
Fix buildscript.gradle which wasn't working because the variables were not defined in the correct scope.
Upgrade Gradle version to 1.11.
Merge pull request #25 from damonkohler/work

Fix buildscript.gradle and upgrade Gradle to 1.11.
Fix SSL connection errors with Java 1.7.
Addresses reviewer comments.
Merge pull request #26 from damonkohler/work

Fix SSL connection errors with Java 1.7.
Upgrade Android build tools version.