Fixed bug -- if room was booked and selected
a diffrent room error not disapearing and form not saving.
added masked Textboxes.
Changed .net framework to 3.5 & Build release.

Signed-off-by: RufusSwart <rufus.swart@swrt.co.za>
New release build.

Signed-off-by: RufusSwart <rufus.swart@swrt.co.za>
copied release to root folder.

Signed-off-by: RufusSwart <rufus.swart@swrt.co.za>