more cleaner way to setup srcTemplates and staticFiles
Fix bower_components path in less build config

This directory was first moved in https://github.com/Swiip/generator-gulp-angular/commit/023757188f3018b8627efcad40343d8c0f4e92a0
Merge pull request #211 from karlhorky/master

Fix bower_components path in less build config
Merge pull request #196 from chhsiao1981/feature-improve-format-files

more cleaner way to setup srcTemplates and staticFiles
Add paths configuration options. Solve #177, #203.