Do not send an email notification unless we get a full screen 500 page (fixes #146)
Fix some incorrect references to getUrl method in glue exceptions (fixes #135)
Show URL accessed in error email (fixes #146)
Do not show error information at all unless local or logged in as a super user (fixes #136)
Reindenting
Merge pull request #147 from FelixOnline/error-fixes

Error fixes - see individual commits