(refact) Remove obsolete files
Merge pull request #84 from alexanderGugel/refact/structure

(refact) Remove obsolete files
(doc) filters.js: Cleanup and document
Merge pull request #85 from alexanderGugel/doc/filters

(doc) filters.js: Cleanup and document
(refact) gulpfile.js: Remove uncommented code; Set default task to 'serve'
Merge pull request #86 from alexanderGugel/refact/gulp

(refact) gulpfile.js: Remove uncommented code; Set default task to 'serv...
Remove unneccesarry comments and controllers