Collapse send/try calls

Lowercase "reflection" in unsafe reflection warning

Reduce Slim-template XSS false positives

Reduces slim XSS false positives in cases where brakeman is run in the context
of an app that includes active support.

Templates compile down to Template::Utils.escape_html_utils if
Active Support's `html_safe?` method is defined.

See:

https://github.com/judofyr/temple/blob/master/lib/temple/filters/escapable.rb#L12

Fix multiple block related issues

Do not warn on redirects to Model#create/create!

Reduce command injection false positives

and other safe-ish values

Only add routes that are actual names

If Rails version is in Gemfile, use it

not redirects or other calls.

Fixes #395

and process Gemfile before config, because config location
depends on Rails version.

Fixes #398

Add Support For Rails Engines

rails 4 no warning for friendly model in redirect_to (friendly_id gem compatibility)

Add check for detailed exceptions

especially since JSON report requires file name

closes #391