This is impossible to follow correctly, causing weird things.
Now Body always contains the original Body from the libclient,
LinkifiedBody the linkified Body and Linkified is empty if the
message is not linkified.

Change-Id: I29e5f7cf1c5a2093f5e4b7785216e8b9b24e9ad8
GitLab: #961

Change-Id: Idf38e82631a4e22540aa5dec8ec2db0ab4a38c2e

e.g. <a href="test" id="fuzzelement1">test</a> is invalid
and should not open qrc://components/test

Also fix editId on message edition and format in the reply row.

Change-Id: I570ddf18f6ba716e448e9fbadd558a4d04cdef1c

Handle application/edited-message type to support message edition.
Previous bodies are saved in the interaction to be able to get the
original post to avoid unwanted editions.

While loading a conversation, we store the editions in a temporary
map that we link once the edited message is detected. This work
because we can't edit a message before this message exists.
PreviousBodies in interaction.h contains every previous body detected
and the client can show previous version of the message in a popup.

Deleting a message works the same way, just that any message
with an empty body is not shown.

jami-daemon#316

Change-Id: Ib158abd16ad4b629532de11694e88d86a12d72a8

jami-daemon#318
Change-Id: I79916422b90c6eb12252c96bb12e209188a81f94