leshan-0.1.11-M10

Build artifacts are available on maven central.

Change logs:
d39892c - allow to remove security info for endpoint with "/"
7fc4a58 - Removed unecessary switch case since toValueString is used.
8df9e94 - Guess port from scheme (and vice-versa) at client side
022c8f4 - #119 allow to write empty string in web ui
4559b34 - Limit message log to last 256 messages.
049fe9e - Use "Option.toValueString()" for more descriptive log.
c969b37 - Update response code to be compliant with the last spec changes
a4db616 - #116: Fix regression introduce in commmit 6ec8aeb
f9403f5 - #109: Using the Leshan servlets with other HTTP server (not Jetty)
6ec8aeb - Update on resource is no more allowed
b260c35 - Clean some request constructors (javadoc + validation)
e20db8e - #112: Fix Tlv 24bit length decoding