Add version properties to build script
  - project.version is 1.0 by default, module.properties should override
  - amp.version must be numeric and can be injected into the
module.properties file using the @@VERSION@@ token
Add new dist-amp-jar target, set as default target (was dist-jar)
#10 Add check before clean target to ensure that the correct build
script is called
Add mvn-install and mvn-deploy targets to build script
Update build script version from 1.5.4 to 1.6.0
Build properties changes to support building AMPs
Add initial pom with basic project metadata
Configure resources and war source directories in Maven build
Add target directory to .gitignore
Merge branch 'master' of https://github.com/share-extras/media-viewers