added thumbnail generation and upload on FTP server added upload a copy on my workspace file when sharing a file implemented the file preview with icons or preview depending on the extension of the file integrated file uplod progress bar widget for sharing files fixed bug allowing users to post while generating file/url previews fixed bug allowing users to mention theirselves Ported to GWT 251 Ported to Feather Weight Stack Removed GCF Dependency Logging with sl4j Enabled Fixed image previes retrieval when image is in the same folder of the linked page Mention people in tags correctly referred to user profiles Added possibility to mention people in tags First Release