Ui refactor and drag to crop (#245)

* Drag to crop rebase step (#244)

* 1.1.0

* 1.2.0

* added plugin

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* drag to crop enabled

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* fix

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* improvement

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* done dragToCrop

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* done with updated ui

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* solved bug for multiple consecutive crops

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* fixed and updated

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* externalized image area select code

* major refactoring of crop drag and demo ui modules

* work on crop module and ui refactor

* completed Step drag ui refactor

* revert unbuilt to rebase

* built and version bump

* various fixes

Gruntfile.js

@@ -17,6 +17,7 @@ module.exports = function(grunt) {
               files: [
                   'src/*.js',
                   'src/*/*.js',
+                  'src/*/*/*.js',
                   'Gruntfile.js'
               ],
               tasks: [ 'build:js' ]