should properly deprecate FRAMEWORK_VERSION

## motivation

Calls to `Calabash::Cucumber::FRAMEWORK_VERSION` should raise an error.

## todo

- [ ] @krukow just have a look

## test

```
$ be rspec spec/version_spec.rb
WARN: deprecated '0.9.169' - 'FRAMEWORK_VERSION has been deprecated - there is no replacement'
/Users/moody/git/calabash-ios/calabash-cucumber/lib/calabash-cucumber/version.rb:9:in `const_missing'
/Users/moody/git/calabash-ios/calabash-cucumber/spec/version_spec.rb:6:in `block (2 levels) in <top (required)>'
/Users/moody/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/rspec-core-2.14.8/lib/rspec/core/example.rb:114:in `instance_eval'
/Users/moody/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/rspec-core-2.14.8/lib/rspec/core/example.rb:114:in `block in run'
/Users/moody/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/rspec-core-2.14.8/lib/rspec/core/example.rb:254:in `with_around_each_hooks'
..

Finished in 0.00151 seconds
2 examples, 0 failures
```