Add a timeout when updating vertical nav on window resize event
Add a timeout when updating vertical nav on window resize event

This reduces/eliminates the number of times a $apply already in
progress exception is thrown. Although the exception is caught, some
applications still detect the exception and log to the console.

jeff-phillips-18/angular-patternfly,AllenBW/angular-patternfly,AllenBW/angular-patternfly,dtaylor113/angular-patternfly,AllenBW/angular-patternfly,spadgett/angular-patternfly,spadgett/angular-patternfly,spadgett/angular-patternfly,dtaylor113/angular-patternfly,jeff-phillips-18/angular-patternfly,patternfly/angular-patternfly,patternfly/angular-patternfly,dtaylor113/angular-patternfly,patternfly/angular-patternfly,jeff-phillips-18/angular-patternfly