Add right value to results in XSS check

Relax slim dependency for Slim 2.0.0

User exit code of "1" when path is not a Rails app

Limit branched value depth, add --branch-limit option

Add more methods to check for command injection

should have been a test that the warning does _not_ appear.

closes #206 finally

Fix output format detection to be more strict again

Allow empty Brakeman config file

and also -f should override detection

fixes #343

because they are already in test/tests/ and
test/tests/test_* just seems silly to me

also fixes a weird issue in Ruby 1.8.7 where duplicate
warnings were getting reported when there weren't any

Fix text report console output on JRuby

Avoid duplicate "Dangerous Send" and "Unsafe Reflection" warnings

Make mass assignment to attr_protected model medium confidence

Conflicts:
	CHANGES