fix a bug in detection dependency which ignore definition of constants
fix a bug in detection dependency which ignore definition of constants

The files that contains only constants (like a configuration file) have been ignored in detection dependency.

	$ cat app/config.rb
	USER_NAME = "Watson"
	MAIL = "watson1978@gmail.com"

incbee/RubyMotion,incbee/RubyMotion,jjaffeux/RubyMotion,beni55/RubyMotion,incbee/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion,hboon/RubyMotion,HipByte/RubyMotion,beni55/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion,jjaffeux/RubyMotion,hboon/RubyMotion,jjaffeux/RubyMotion,HipByte/RubyMotion,hboon/RubyMotion,HipByte/RubyMotion,jjaffeux/RubyMotion,katsuyoshi/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion