Added ability to input a keyword for a page and view keyword on view page
Basic keyword support.
Merge branch 'features/keywords' of github.com:gundermanc/eecs341-cms into features/keywords

Conflicts:
	inc/page_context.php
	pages/view_page.php
	pages/write_page.php
Revert "Added ability to input a keyword for a page and view keyword on view page"

This reverts commit 0cbe742b0d4311c4a2988b89460217dc1161d5d1.

Conflicts:
	inc/page_context.php
	pages/view_page.php
	pages/write_page.php
Merge pull request #56 from gundermanc/features/keywords

Keywords on pages.