Wrap the user count with a global function name, output correctly

The network user count is actually returning the number of global
users and does not account for multiple networks.
Better document the purpose of wsuwp_global_user_count()
Add initial support for wsuwp_network_user_count()

We'll need to introduce network capabilities before we can go any
further with this. Opening a new branch to track that.
Wrap the user count with a global function name, output correctly

The network user count is actually returning the number of global
users and does not account for multiple networks.
Better document the purpose of wsuwp_global_user_count()
Add initial support for wsuwp_network_user_count()

We'll need to introduce network capabilities before we can go any
further with this. Opening a new branch to track that.
Retrieve a count of users on a specific network.

This takes advantage of the new network capabilities and maintains
a count of users for each network. This count expires and is
regenerated if a check determines that the data is more than 30
minutes old.
Merge branch 'feature/counts' of github.com:washingtonstateuniversity/WSUWP-Platform into feature/counts

I have no idea what just happened.

Conflicts:
	www/wp-content/mu-plugins/wsu-core-functions.php
Provide a count of sites on the global platform

This data is also generated every 30 minutes.
Add initial network dashboard stylesheet
Apply styles to spruce up the global and network counts
Style out remainder of the counts network dashboard widget

Things seem to be in a better place here and adapt well to all
browser window sizes.
Modify the title of the counts dashboard widget if network/global
Additional stylings to better position counts
Docblock tweak on wsuwp_global_user_count()
Clean up Dockblock for dashboard widgets update_footer_text()
Merge pull request #102 from washingtonstateuniversity/feature/counts

[PR] Display user, site, and network counts in dashboard widgets