eclipse/ant -> maven

eclipse files have been removed from repository. jar and native
dependencies have been removed from repository.

use maven goals "compile exec:exec" to run the project.
use maven goals "package shade:shade" to create a single jar file, which
contains java, but not native dependencies. this jar
file can then be used with jarsplice to create a fat jar. natives will
be extracted to /target/natives.
Merge pull request #7 from Tillerino/modularMaven

Switched to maven project.
- Eclipse files have been removed from repository. jar and native dependencies have been removed from repository.
- Use maven goals "compile exec:exec" to run the project.
- Use maven goals "package shade:shade" to create a single jar file, which contains java, but not native dependencies. This jar file can then be used with jarsplice to create a fat jar. Natives will be extracted to /target/natives.
Updated readme with Maven build information. (follow-up 54b5469, #7)

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>