Add initial draft of Travis CI configuration
Update Travis CI configuration to update CMake
Add ppa for CMake 2.8.9
Fix type in travis-ci ppa
Merge branch 'travis-ci' into qt-rewrite

Add capability to perform continuous integration via travis-ci.org
Add -fPIC/-fPIE to compiler flags when Qt is PIC.

The CI build for clang fails due to a missing -fPIC/-fPIE flag because
the version of Qt5 installed on the build box has been built as
platform-independent code. A CMake directive has been set that will
enable the appropriate compiler flags when necessary.