Update version.

Mark master as "dev" for development ;)
Revert a bug introduced in PR #2134

FREERDP_CHANNELS_SERVER_SRCS need to be added to server/common that the
symbols get added and exported with libfreerdp-server.

Also remove duplicated version information.
Merge pull request #2203 from bmiklautz/fix/symbols_and_version

Fix libfreerdp-server and version