On mobile help icon does not display tooltip (SAAS-856)
On mobile help icon does not display tooltip (SAAS-856)

Added check for mobile touch event existing. Changed click to touchend event
for mobile devices. Disabled hover events handlers in help-icon directive
for mobile.

opennode/waldur-homeport,opennode/waldur-homeport,opennode/waldur-homeport,opennode/waldur-homeport