updated CHANGELOG
Removed redundant #includes and fixed spelling mistakes.
Merge pull request #352 from latitude37s/develop

Removed redundant #includes and fixed spelling mistakes.
Correctly set MySQL time_type for Poco::Data::Date.
fieldSize() returns std::size_t, which is not necessarily the same width as unsigned long.
Merge pull request #353 from latitude37s/develop

Correctly set MySQL time_type for Poco::Data::Date.
.travis.yml: use -y option for apt-get upgrade and install
Merge pull request #356 from bufferoverflow/travis

.travis.yml: use -y option for apt-get upgrade and install