developers/contributors: use links to GitHub profiles instead of non-specific IDs
order developers alphabetically
add Sébastien and Ali as developers
drop github-site-plugin

* creation of remote blobs is S-L-O-W and fails 9 times out of 10
* use `mvn site site:stage -DstagingDir=../marytts.github.io` instead, then commit and push from there
issue #154 trailing whitespace solved

solving issue #154 - test to check for trailing whitespace in config file using test file

fix head

fix issue#154

issue#154 trailing whitespace solved
move test resource
autoformat in Eclipse Luna
cleanup, fixes #154
Merge branch 'fix-154'