[travis] Remove superfluos ] from make invocation
[travis] Set CMAKE_VERBOSE_MAKEFILE=ON
[travis] Log build script name
[travis] Disable tempoarily soci-devel notifications
Attempt to correct -I paths for backend folders

As well as compile definitions.
Previous implementation of soci_backend macro was setting correct properties locally, but on Travis CI it is not working.
Attempt to correct -I paths for backend test
CMake 2.8.7 have problems with per target includes
[cmake] Remove unused log message
[travis] Restore soci-devel notifications

Disabling it in develop is pointless anyway, as Travis CI relies on .travis.yml in master, apparently.
[travis] Disable ctest run due to #199

On Travis CI, CMake 2.8.7 is unable to cope with set_target_property with INCLUDE_DIRECTORIES.
[travis] Fix bash script syntax error
[travis] Disable building tests due to #199