*pt78870988* Modify default sidebar blocks.
*pt78870988* Remove some sections from About pages.
Merge branch 'bhui_modify_default_sidebar_blocks' into eschol_prod
Committing changes to lib/pkp submodule for sidebar block changes.
Merge branch 'eschol_prod' of github.com:cdlib/eschol-ojs into eschol_prod

Conflicts:
	lib/pkp