Support for Maven, equivalence of building tools.

pom.xml is a Maven module for kilim (named kilim:kilim:0.7.2-SNAPSHOT).
It currently compiles identically to the "build.sh" script, as reported
by the "build-equiv.sh" script. No gurantees about the execution of the
unit tests are made.

build-equiv.sh compares the binary results of the three build tools
supported in kilim, right now: Maven, Ant, Shell Script.

In terms of the results of the binary comparison, right now:
Maven == ShellScript != Ant
The maven "test" goal now runs the two TestSuites test.sh runs.
updated maven kilim version to 0.7.3
added version to plugin to fix maven 3 warning
Changed POM version to 0.7.3.1-SNAPSHOT.
Removed Eclipse project files from Git.
Added m2e ignore sections to pom.xml to make the POM work with m2e in Eclipse.
Added .classpath, .settings and .project to .gitignore.
Removed bench/ as source folder.
Removed clean plugin configuration from POM.
Added source and javadoc jars to build.