Merge pull request #175 from seesmith/master

IOG and Exhibitions changes
LIB001-832: Improving search results page
LIB001-831: Addition of exam papers online banner
LIB001-824: Removing non-static healthcheck pages
Merge pull request #177 from ianthe/LIB001-831

LIB001-831: Addition of exam papers online banner
Merge pull request #178 from ianthe/LIB001-824

LIB001-824: Removing non-static healthcheck pages
Merge pull request #176 from ianthe/LIB001-832

LIB001-832: Improving search results page
LIB001-835 IOG fixes after test release
LIB001-794 Exhibitions Collection
LIB001-835 IOG fixes after test release
LIB001-794 Exhibitions Collection
LIB001-838 Updated Calendar social links
LIB001-794 Exhibitions Collection
LIB001-839	Update social links in collections
LIB001-835 IOG fixes after test release
Merge remote-tracking branch 'upstream/master'
LIB001-835 IOG fixes after test release