Configuration and API to enable/disable libnice debugging
echotest page start button needs autocomplete off for button to be re-enabled on reload in firefox

strange but true
http://stackoverflow.com/questions/5985839/bug-with-firefox-disabled-attribute-of-input-not-resetting-when-refreshing
Merge pull request #119 from ploxiln/echotest_button_ff

echotest: fix Start button being disabled after stopping
Fixed demo pages as per #119
Further fixes on inputs in demo pages as per #119
fix accidental copy of videocalltest.html, apply intended changes to original

related to further changes for #119
Merge pull request #120 from ploxiln/fix_file_copy_120

videocalltest.html fixup
Add support for sip proxy-auth (407)
disable 100rel as it causes segfault/asserts in sofia-sip
Merge pull request #122 from mingewang/sip

support proxy_auth 407 and disable 100rel in sip module