refactored to include check for devDependencies in package.json

[coyotebringsfire]

this PR updates the package.json template to add the mocha and chai/should dependencies as devDependencies rather than dependencies. the unit tests were also refactored to check for the presence of devDependencies in package.json

Wencelaus:generator-test aumkara$ npm test

> generator-test@2.0.2 test /Users/aumkara/workspace/generator-test
> mocha

(node) child_process: options.customFds option is deprecated. Use options.stdio instead.


     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create index.html
   create spec/algorithm.js
   create bower.json
   create .bowerrc
   create algorithm.js
Everything is ready!
․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create index.html
   create spec/myAlgo.js
   create bower.json
   create .bowerrc
Everything is ready!
․․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create spec/algorithm.js
   create package.json
   create algorithm.js
Everything is ready!
․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create spec/algorithm.js
   create package.json
   create algorithm.js
Everything is ready!
․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create spec/algorithm.js
   create package.json
   create algorithm.js
Everything is ready!
․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create spec/myAlgo.js
   create package.json
Everything is ready!
․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create spec/myAlgo.js
   create package.json
Everything is ready!
․
     _-----_
    |       |
    |--(o)--|   .--------------------------.
   `---------´  |    Welcome to Yeoman,    |
    ( _´U`_ )   |   ladies and gentlemen!  |
    /___A___\   '__________________________'
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `

   create spec/myAlgo.js
   create package.json
Everything is ready!
․

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