Fix XSS issue in poll questions

closes #5274
Merge branch 'hotfix/0.4.1.1'
Initial work on custom landing page [iliketoast]

Conflicts:
	.gitignore
Finish up initial version of landing page
Replace bitcoin widget with a working button
Revert "Replace bitcoin widget with a working button"

This reverts commit 0dfc595a00afada798bf475270d8f4d295901207.