unified title and header of embedded web pages
added web page for embedded http server for SHT/DHT temp & humidity sensors
closes issue #250
code cleanup and optimization
setting should come from autoconf
Merge pull request #282 from eku/embed_pages

web page for DHT/SHT sensors
undo changed done by b7056ee03269a6c7e23c5b95fdd5884e7937565a as they where wrong
Merge pull request #283 from eku/embed_pages

revert changed done by b7056ee03269a6c7e23c5b95fdd5884e7937565a
Artnet: Use uip_ipaddr_t instead of uint64 + uip_ipaddr_copy instead of assignment
SanyoZ700: Fix unused variable warning