The messages are separeted by sysid and msgid
Change from an array of message to a map of message linking the sysid and the message
Added the possibilty to see only one UAS at the time with the drop down menu after clearing the view
Added the freeing of the newed pointers
Merge branch 'master' into sortMsgBySysId
Merge pull request #864 from ndousse/sortMsgBySysId

In MAVLinkInspector, the messages are separeted by sysid and msgid