Remove vendor dependencies

[andreybs11]

Ju-components should not depende on external libraries as:
bower.json
"dependencies": {
....
"x-editable": "1.5.1", ---> x-editable and select2 library
"mustache.js": ">=2.2.0", -----> render engine
"dropzone": ">=4.2.0" -----> uploader
},