Added dependencies to avoid crashes while generating new app

```
/Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/resolver.rb:294:in `resolve': Could not find gem 'thin (>= 0) ruby' in the gems available on this machine. (Bundler::GemNotFound)
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/resolver.rb:163:in `start'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/resolver.rb:129:in `block in resolve'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/resolver.rb:128:in `catch'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/resolver.rb:128:in `resolve'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/definition.rb:179:in `resolve'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/definition.rb:114:in `specs'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/definition.rb:159:in `specs_for'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/definition.rb:148:in `requested_specs'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/environment.rb:18:in `requested_specs'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/runtime.rb:13:in `setup'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler.rb:120:in `setup'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392@global/gems/bundler-1.3.2/lib/bundler/setup.rb:17:in `<top (required)>'
	from /Users/anatoliykukul/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /Users/anatoliykukul/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /Users/anatoliykukul/Plizz/base/boot.rb:1:in `<top (required)>'
	from /Users/anatoliykukul/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /Users/anatoliykukul/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392/gems/enginery-0.0.1/bin/enginery:30:in `<top (required)>'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392/bin/enginery:19:in `load'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392/bin/enginery:19:in `<main>'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392/bin/ruby_noexec_wrapper:14:in `eval'
	from /Users/anatoliykukul/.rvm/gems/ruby-1.9.3-p392/bin/ruby_noexec_wrapper:14:in `<main>'
```

same for `specular`, `pry` and `sonar`