Merge pull request #1516 from pjackson28/master

Fixed SVG logo loading and fallback and extended to WET theme
[calendar] Replace .attr('value') with .val()
Merge pull request #1520 from berubs/issue1476

[calendar] Replace .attr('value') with .val()
Merge branch 'v3.0'
Added missing spaces to i18n file for form validation error message summaries.
Removed commented out code from Base theme JS.