Basic upgrade to btrplace v0.30
jdk7 format
Simplify the code
Minor cleaning
Simplify import/export stuff.
Simplify some code
Update copyright
Simplify the code a bit
Remove dead code
tiny cleaning
code simplification
need to update the documentation
Update the release script.
The naming service is mandatory.

Update the documentation.
The naming service is now a model view.
More idiomatic way to manage element naming
Default state for created elements.
try to highlight btrp syntax
abord btrp syntax highlighting
Cleaning
Additional tests