added bootstrap nav templates for extmenu and menutree. closes #1092
HTML5 number, url & email valdiation for formplugins
Merge pull request #1718 from rojblake/bootstrap_navbar

Added bootstrap navbar templates for extmenu and menutree.
Merge pull request #1725 from phaidon/html5-validation-for-formplugins

HTML5 number, url & email valdiation for formplugins
move sessionEpireListener to own class. refs #1698

also comment out unused parameters in `core.xml`
Merge pull request #1731 from craigh/sessionExpireListener

move sessionEpireListener to own class.
Fixed references to removed mobile theme in theme footers. refs #1708
Merge pull request #1732 from rojblake/mobilethemefooters

Fixed references to removed mobile theme in theme footers. refs #1708
update upgrade notes
Update UPGRADE-1.4.0.md
correct upgrade of Mailer module