Update pom and NOTICE to match the requirements of maven central

* Removed unused dependencies slf4j, logback
* Added pom parent sonatype-oss
* Added description
* Added developers
* Added scm element
* Made source and taget configuration for compile step somewhat briefer
Merge pull request #11 from noaresare/pr/maven_central_upload

Update pom and NOTICE to match the requirements of maven central