Closes #15: enabling fileset packaging.

Note: this commit replaces the previous ones (PR19 for reference)
Remove old Tycho workaround

The related Tycho issue (TYCHO-473) is closed; therefore, the workaroud is no longer required.
Note: this workaround was not compliant with M2E 1.x.
The projects output folder is changed from 'bin' to 'target/classes'

Now, the output folder is compliant with the Maven/M2E requirements.
Updated/added indigo/juno profiles

The Helios update site should be used for Helios, Indigo and Juno.
See: http://wiki.eclipse.org/SWTBot
Upgrade of 3rd party components

orbit R20120526062928
maven-resources-plugin v2.6
maven-antrun-plugin v1.7
findbugs-maven-plugin v2.5.2
maven-pmd-plugin v2.7.1
maven-checkstyle-plugin v2.9.1
Build with Tycho 0.16.0

See: http://wiki.eclipse.org/Tycho/Release_Notes/0.16
Merge pull request #25 from PBastiani/juno_tycho016

Build with Tycho 0.16.0 & Juno
Merge pull request #26 from PBastiani/m2eclipse

M2eclipse compliance
Merge pull request #15 from PBastiani/issue15

[SUGGESTION] Compatibility of classes packages with the locations of java files