updating the changelog to 1.8.3
adding handler for the minizing to tray functionality in node-webkit
fixing issue with opening the directory select dialog
bumping version number to 1.8.4
adding an empty png spaces to the project used by missing thumbnails
bumping version number to 1.8.4
adding initial implementation for the minimizing to tray functionality
removing angular
updating the OCRO perspective by adding thumbnail and search support
adding missing files for codemirror