(fix) add wiredep excludes and use .bowerrc
(fix) add wiredep excludes and use .bowerrc

If using UI Bootstrap, wiredep now excludes Bootstrap's JS
(bootstrap.js). Gulp components task now uses .bowerrc file to
determine Bower directory.

gdi2290/generator-ng-poly,ballerabdude/generator-ng-poly,egeland/generator-ng-poly,Ins87/generator-ng-poly,ballerabdude/generator-ng-poly,ballerabdude/generator-ng-poly,dustinspecker/generator-ng-poly,Ins87/generator-ng-poly,TheOneTheOnlyDavidBrown/generator-ng-poly,sunphg/generator-ng-poly,egeland/generator-ng-poly,dustinspecker/generator-ng-poly,gdi2290/generator-ng-poly,dustinspecker/generator-ng-poly,TheOneTheOnlyDavidBrown/generator-ng-poly,sunphg/generator-ng-poly,sunphg/generator-ng-poly,TheOneTheOnlyDavidBrown/generator-ng-poly,egeland/generator-ng-poly,Ins87/generator-ng-poly