Media wiki based project

Create a wiki having following feature. * Three user group each group should be able to read/write in a particular area of wiki. * file uploading and version control * wysiwyg editor * sysop should be able to add new user to any group Stages of work * Select the software in which you want to implement this wiki ( i prefer meadiawiki but i am open to other options) * install That software on server * Demonstrate a working sample. I look forward to get a proposal