[ Robert Edmonds ]
* Release 1.1.1.

* Use protobuf 2.6.1 in the Travis-CI environment.

[ Ilya Lipnitskiy ]
* Munge C block comment delimiters in protobuf comments, preventing syntax
  errors in generated header files (Issue #180, #185).

* Add static qualifier to ProtobufCEnumValue and ProtobufCEnumValueIndex
  variables in generated output.

[ Oleg Efimov ]
* Fix -Wpointer-sign compiler diagnostics in the test suite.

* Check for NULL pointers in protobuf_c_message_free_unpacked()
  (Issue #177).

* Exclude protoc-c and downloaded protobuf sources from Coveralls report.

[ Andrey Myznikov ]
* Fix incorrect 'short_name' field values in ProtobufCServiceDescriptor
  variables in generated output.