* develop: (32 commits)
  Updates the RPM packaging makefile
  Stop mosquitto at end of Travis build
  Reduce keepalive check interval for low keepalive values #156
  Added RPM spec for Paho C
  Add REVERSED bitfield definition for big endian processors #212
  Some cppcheck complaint fixes #36
  Some CMake cleanup & correction #223
  Remove const from eyecatchers #168
  Fix for issue #244
  Make fix for issue #186 work on Windows too
  Fix for issue #186
  Actual fix for issue #179
  Fix for issue #179
  Update README to refer to Github for bug raising
  Reduce log verbosity for test 2d
  Fix for issue #190
  Non-SSL version of the library report an error if the caller requests an SSL connection. Possible soluiton for Issue #251
  Compile static ssl libraries with OPENSSL=1.
  Extend the 'MQTTAsync_willOptions_initializer' to initialize the new binary payloads fields
  In test5 - 2d the client must not have the valid client certificate!
  ...

Updates the RPM packaging makefile

Replaces the build directory with the build.paho directory in the RPM
source tarball creation, otherwise the tarball may contain locally
generated files and fail to properly build the RPM package.
Signed-off-by: Otavio Rodolfo Piske <opiske@redhat.com>

Conflicts:
	src/MQTTAsync.c
	src/MQTTClient.c
	src/MQTTClient.h
	src/SSLSocket.c
	src/SSLSocket.h

Signed-off-by: Otavio Rodolfo Piske <opiske@redhat.com>

Conflicts:
	CMakeLists.txt
	README.md

Proposal for non-SSL version error. Issue #251

Compile static ssl libraries with OPENSSL=1

Extend the willOptions initializer to include the new binary payload fields

Merge branch 'testcase-for-issue-190-without-serverURI' of https://github.com/JuergenKosel/paho.mqtt.c into fixes

Non-SSL version of the library report an error if the caller requests an SSL connection. Possible soluiton for Issue #251

Explicitly enable OPENSSL=1 for the static ssl enabled libraries.
Otherwise a linker error is generated when using the libraries.
Signed-off-by: Marcus Hoffmann <m.hoffmann@cartelsol.com>

Signed-off-by: Pedro Luis Castedo Cepeda <pedroluis.castedo@upm.es>
Signed-off-by: Pedro Luis Castedo Cepeda <pedroluis.castedo@upm.es>

Signed-off-by: Pedro Luis Castedo Cepeda <pedroluis.castedo@upm.es>

Signed-off-by: Juergen Kosel <juergen.kosel@softing.com>

Merge branch 'regression-check-vs-uncover-issue' of https://github.com/JuergenKosel/paho.mqtt.c into fixes

Proposed patch: simplify handling of thread libraries on Unix-like OSes