Add schema validation for FeatureCompare
Code clean up based on review
Use "radio button"-like UI to switch between Map 1, Map 2, and Split Screen

(The visual appearance of the selected option could probably be improved.)
Merge pull request #189 from RickMohr/clarify-map-choice-ui

Use "radio button"-like UI to switch between Map 1, Map 2, & Split Screen
Merge pull request #186 from mmcfarland/topic/comparer-cleanup

Feature Comparer cleanup
Wrap identify url attributes in a tags
Fix broken variable reference
Merge pull request #195 from steventlamb/topic/identify_url_click

Wrap identify url attributes in a tags