Ignore white space in path query

FeatureContext::iClickOnTheText, and iClickOnTheTextStartingWith can
safely ignore extra whitespace which is sometimes generated by
javascript and bad markup.
Add Change School Functional Test
New test to ensure that school permissions can be assigned and user can
switch between different assigned schools.
Merge pull request #562 from jrjohnson/changeschooltest

Add Change School Functional Test