The content for uIP web server demo is no longer canned, but is not built...

The content for uIP web server demo is no longer canned, but is not built dynameically (Thanks to Max Holtzberg)

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5073 42af7a65-404d-4744-a932-0658087f49c3