title: Error when installing angular-google-chart via bower
body: <p>I want to use google-chart using <a href="https://github.com/angular-google-chart/angular-google-chart/" rel="nofollow">https://github.com/angular-google-chart/angular-google-chart/</a>, but when I want to install it via <code>bower install angular-google-chart --save</code>, I got the following error:</p>
  
  <pre><code>$ bower install angular-google-chart --save
  bower angular-google-chart#*    cached git://github.com/angular-google-chart/angular-google-chart.git#0.0.11
  bower angular-google-chart#*  validate 0.0.11 against git://github.com/angular-google-chart/angular-google-chart.git#*
  bower angular#~1.2.9            cached git://github.com/angular/bower-angular.git#1.2.29
  bower angular#~1.2.9          validate 1.2.29 against git://github.com/angular/bower-angular.git#~1.2.9
  bower angular#1.4.7             cached git://github.com/angular/bower-angular.git#1.4.7
  bower angular#1.4.7           validate 1.4.7 against git://github.com/angular/bower-angular.git#1.4.7
  bower angular#^1.3.0 || &gt;1.4.0-beta.0           cached git://github.com/angular/bower-angular.git#1.4.7
  bower angular#^1.3.0 || &gt;1.4.0-beta.0         validate 1.4.7 against git://github.com/angular/bower-angular.git#^1.3.0 || &gt;1.4.0-beta.0
  bower angular#&gt;= 1.0.8                          cached git://github.com/angular/bower-angular.git#1.4.7
  bower angular#&gt;= 1.0.8                        validate 1.4.7 against git://github.com/angular/bower-angular.git#&gt;= 1.0.8
  bower angular#^1.4.0                            cached git://github.com/angular/bower-angular.git#1.4.7
  bower angular#^1.4.0                          validate 1.4.7 against git://github.com/angular/bower-angular.git#^1.4.0
  bower                                        ECONFLICT Unable to find suitable version for angular
  </code></pre>