Maintaining scroll positioning on console refresh

Temporarily setting an absolute height ot avoid jumping.
Maintaining state of collapsible directives on refresh
remembering try it response on console refresh
Integrated the path builder directive into try it
moved the path builder into the try it context
less aggressively catching all exceptions in TryIt controller's execute method
preserving URI parameter data on try it
Collapsing logic for different input types into parameterField directive
using parameter field directive for uri parameters
merged fixing enums in uri parameters
fixed regression with invalidClass on validated inputs
Restore type ahead functionality on enums.
grunt build
fixed z-indexing for combo boxes
Merge branch 'features/maintain-scroll-position-63236236'