Update installer for MapProxy version 1.7
Enable parallel installations
Fixes issue #2
Let the application use register settings
Register settings for shortcuts

Let the start menu shortcuts also use the register settings
Remove old entries
Fixed variable
Show application name and version
Fixes 64 bit issues
Simplify installer script
Changed request_queue_size for CherryPy
Change filename to release version
Merge pull request #3 from bartbaas/dev

Dev 1.7