Merge pull request #1012 from stevewithington/develop

bug fix for issue #1005: contentRenderer heading vars
Adding trim to filename
Merge branch 'develop' of github.com:blueriver/MuraCMS into develop
Adding trim to filename
Fix for issue #1014
fixing spelling
Merge pull request #1022 from stevewithington/develop

bug fix: issue #1020 - remove curly brackets from setDynamicContent
Merge pull request #1023 from stevewithington/develop

error prevention in comment form