test .... send message by alias

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>
add the support that mqtt client setup with appkey.

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>
update READ.md

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>
Merge branch 'master' of https://bitbucket.org/msgbus/cmqtt-sdk

Conflicts:
	README.md

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>
add example in READ.md

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>
add ticket support.

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>
remove --host in example for ticket feature is supported.

Signed-off-by: Liu.Bo <bliu_923@hotmail.com>