Merge pull request #4 from jvoisin/master

Update the comparison table
Add some colorz
Merge branch 'master' of github.com:radare/radare.org
Add an "extensibility" section
Add some links
Add an introduction sentence
Fix the euro symbol
1337 balance
Fix a typo, and add some links
Merge branch 'master' of github.com:radare/radare.org
Fix prices
Update some HOpper-related things
IDA is 450€, not 250€
Add another link
Collaboration with IDA via plugins
mentors are not payed.
Update cf balance
Add lua bindings
Merge branch 'master' of github.com:radare/radare.org
Remove trailling crap