changes date picker to return months from 1 to 12

Change-Id: I96c3fde7fc14bb4bff9ac8320e4aa394202ec5e3
Update web documentation for button

Change-Id: If2d442c896ef04532bd2dbd468c943fd711c0084
Update documentation for WebViewer.WebViewString

Change-Id: Iba978acae24aef4a2ee32b167d9e47ca62d0a394