Conflicts:
	lib/ruby_parser/bm_sexp.rb

Update to use RubyParser 3.x

Conflicts:
	lib/brakeman/processors/controller_processor.rb
	lib/brakeman/scanner.rb

for Rails 2

Refactor: Introduce AppTree as facade for filesystem

* Cleans up duplicated logic for skipping files
* This is not being used for the install_rake_task behavior

more details on xss warning

Output scan time in reports

Add Brakeman version to text and HTML reports

Keep whitespace format in Warning#to_hash/#to_json

which is a good thing

Remove "find by regex" CallIndex feature

Being able to find methods and targets by regular expressions
was nice but it's not being used now. Meanwhile, it adds overhead
to the call indexing process.

Also, we should ignore call targets that are Sexps, as all searches
for targets use Symbols and hashing Sexps takes time.

Better config locations, warn on old deprecated ones

ignore lock

make bundle && bundle exec rake work so we do not need an explanation of...