Changed design to make add files button work
Feature: Added file uploading to browser (not yet to backend server) using angular-file-upload library. All uploaded files are listed.
Fixed syntax error in bower.json file
Most of the code for file uploading to the server is now set up.
Added error messages for not adding a message or any files
Merge pull request #16 from jeffreywix/Feature-FileUpload

Feature file upload