uboot: add RT-N56U uboot source code (with improvements)
fix date in previous commit
libcurl: update to 7.36.0
Merge remote-tracking branch 'upstream/master'

Conflicts:
	trunk/libs/libcurl/curl-7.21.7/docs/Makefile
	trunk/libs/libcurl/curl-7.21.7/docs/examples/Makefile
	trunk/libs/libcurl/curl-7.21.7/docs/libcurl/Makefile
	trunk/libs/libcurl/curl-7.21.7/tests/Makefile
	trunk/libs/libcurl/curl-7.21.7/tests/configurehelp.pm
	trunk/libs/libcurl/curl-7.21.7/tests/data/Makefile
	trunk/libs/libcurl/curl-7.21.7/tests/libtest/Makefile
	trunk/libs/libcurl/curl-7.21.7/tests/server/Makefile
	trunk/libs/libcurl/curl-7.21.7/tests/unit/Makefile