Merge pull request #10 from xerial/release/0.2

Release/0.2
Merge branch 'release/0.2' into develop
Merge branch 'develop' of github.com:xerial/sbt-pack into develop
new snapshot version
Fix make archive command
Add classifiers to dependent jar files #12
#12 Add classifiers to the dependent jar files
#12 Add a configuration option packPreserveOriginalJarName (default:false) to preserve the original jar file names
#11 Traverse dependent porjects. Add a sample multi-module project
Fix #11 Traverse dependent porjects. Add a sample multi-module project
Add sample main code for each module
Fix #11. Resolve dependent projects via Project.uses
Add test case checking all project jars
Refactoring multi-module project configuration
0.2.1 release.
Merge branch 'release/0.2.1'