Merge pull request #19 from kellyrob99/master

release truezip resources after installing
refactoring and improving test coverage
integration test using with surefire-maven-plugin

closes #14
cleaning things up
trying to get coveralls badge updating again

[ci skip]
updating README

[ci skip]
build against oraclejdk8
upgrading to latest version of jacoco
multiple changes working towards issue #9

* using eclipse-aether
* using JSR-330
* upgrading dependencies
* requiring maven 3.1.0 or greater
* adding new RepositoryDownloader for downloading from a maven repo
jcabi-maven-slf4j no longer needed, fixes #21
adding tests for ArtifactBuilder
adding tests for RepositoryDownloader
plugin and dependency updates
changing the group id
renaming MAVEN_CENTRAL to REPOSITORY
Merge pull request #7 from klieber/issue/9_maven_central

Use maven central instead of downloading binaries from googlecode. Closes #9
script for deploying binaries; closes #16
Merge pull request #16 from klieber/issue/16_deploy_binary

Add a new goal for downloading and deploying archives to central
use maven repository by default
updating integration tests