giving gradlew scripts 755 perms
Changing .gitignore and adding gradle-wrapper.jar

The gitignore file was previously set to ignore all *.jar,
which caused the gradle-wrapper.jar file to be ommitted from
the project.
Merge branch 'build-fix' into dev
tieing the clean task to covClean
Merge branch 'auto-clean' into dev
Merge pull request #2 from radford-nguyen/dev

Dev