refactoring email configuration.
fixing condition.
adding debug prints for when spring fails to load.
adding prints for when spring fails to load.
adding prints for when spring fails to load.
improving appender initialization.
fixing nginx ssl configuration
showing only enabled widgets on demo.
adding node for future use.
IE console fix.
fixing NaN issue.
Merge branch 'latest'

Conflicts:
	app/beans/MailSenderImpl.java