update README (add link to lualwm2m)
added isMarkLastRequestFailed 
extended LinkObject
improved code and added some tests
fix register/deregister server sent event bug.
remove consoleLog
fix multi-instance problem
add licence on js/css
#27: Reading individual resources assumes text/plain
#28: No content format when writing objects
add support of read for multi instance resource
#5: missing license header on js/html/css files
bootstrap server is a standalone server now
started like the device management server
license headers
Merge https://github.com/jvermillard/leshan

Conflicts merged in:
	leshan-standalone/src/main/java/leshan/server/servlet/EventServlet.java