V4.0.3 - Interim codebase for Sprint 3 – Infowindow for condos, Validations before notifying, Create buffer for intersecting parcels

Implemented following:
1. Display infowindow for condos
2. Apply validations to following controls before generating
notification labels
a. Buffer value
b. Notify to
c. Selection of Avery labels
3. Generate buffer for intersecting parcels after clicking ‘Download’
button