message-switch: use './configure && make' to build

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #88 from djs55/message-switch

message-switch: use './configure && make' to build
message-switch: configure script requires ocaml-findlib-devel

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #89 from djs55/message-switch

message-switch: configure script requires ocaml-findlib-devel
message-switch: rename ChangeLog to CHANGES

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #90 from djs55/message-switch

message-switch: rename ChangeLog to CHANGES