[admin] travis configuration
[admin] travis status in readme
[config] rename artifact
[config] nexus deploy
[config] additional metadata for sonatype oss
[config] jarsign
[config] bind sign to deploy phase
[doc] improve README.md
- maven configuration
- some construction examples
- some usage examples
- describe versioning
- acknowledgements
- license
[config] nexus auto-release on close
[admin] readme fixes and improvements
- reword project description (stil don't like it)
- fix type error in stream example
- reword versioning
- minor betterments in acknowledgements