Default message on upload fail
Vallidation attribute and i18n support for more uploader messages
Depenencies - Apache Tika, Imgscalr
Support for Streams, Files  and byte arrays. Partial fix of #13 - however we need to consider dropping support for custom _id
BugFix: attribute 'save' is now being omitted in url when empty
avatar upload functionality
messages related to avatar upload
temporary placement of avatar uploader
Few tweeks and mini avatar support in richg:avatar
avatars are being displayed in user list