Deleting most of users & fixing index pages &links

Conflicts fixed:
	omero/developers/Web/WebGateway.txt
	omero/users/client-tutorials/insight/collaboration.txt
	omero/users/client-tutorials/insight/getting-started.txt
	omero/users/client-tutorials/insight/importing-data.txt
	omero/users/client-tutorials/web/web-client.txt
	omero/users/index.txt
	omero/users/virtual-appliance.txt
Further tidying of remaining user docs

Conflicts fixed:
	omero/users/community-resources.txt
	omero/users/demo-server.txt
	omero/users/index.txt
	omero/users/virtual-appliance.txt
help links ready for new root link in conf.py

Conflicts fixed:
	common/conf.py
	omero/developers/Web/WebGateway.txt
	omero/users/demo-server.txt
	omero/users/index.txt
	omero/users/virtual-appliance.txt
Extra restructuring of indexes & resources

Conflicts fixed:
	omero/users/index.txt
Making help & partner sites more visible & in conf

Conflicts fixed:
	common/conf.py
	omero/users/index.txt
Highlighting NEW more clearly!
Removing images

Conflicts fixed:
	omero/images/tutor/collaborationGroupAdmin.jpg
	omero/images/tutor/collaborationManager1.jpg
	omero/images/tutor/collaborationMoveGroup.jpg
	omero/images/tutor/collaborationNewGroup.jpg
	omero/images/tutor/collaborationShowGroups.jpg
	omero/images/tutor/collaborationViewGroups.jpg
	omero/images/tutor/gettingStartedDataManager.jpg
	omero/images/tutor/gettingStartedImportedData.jpg
	omero/images/tutor/gettingStartedImportedData2.jpg
	omero/images/tutor/gettingStartedPanes.jpg
	omero/images/tutor/imageJBioformats.jpg
	omero/images/tutor/imageJBioformats2.jpg
	omero/images/tutor/imageJDataManager.jpg
	omero/images/tutor/importingDataManager.jpg
	omero/images/tutor/managingBatch.jpg
	omero/images/tutor/managingFilter.jpg
	omero/images/tutor/managingTree.jpg
	omero/images/tutor/managingUser.jpg
	omero/images/tutor/outputScriptsLPane.jpg
	omero/images/tutor/scriptsMenu.jpg
	omero/images/tutor/viewingDataOpen.jpg
	omero/images/tutor/webclientGroups.jpg
Changes suggested by Roger
Capital S for Server I missed
Minor edits from Mark
Diagram -> example
Fixing up Josh's comments

Conflict fixed:
	omero/users/index.txt
Putting correct link for help site in conf.py

Conflict fixed:
	common/conf.py
Fixing what's new page for users & index
Restoring link to feature list
Restoring link to what's new page
merge develop -D org -I include -E exclude: PR 450 (omero: Python 2.6 is the minimum supported version)
merge develop -D org -I include -E exclude: PR 517 (Removing users on develop)