Merge git.met.no:davidb
Started working on Python bindings to libdiana.
Added support for some tool classes.
Started adding support for the Diana classes needed for basic plotting.
Added more supporting infrastructure classes to the bindings.
Added support for more classes and methods.
Fixed incorrect rendered by exposing the viewport attribute in the context.
(In bdiana this is set using an OpenGL call.)
Added a test program to display simple plots.
Removed unnecessary debugging output.
Added a function to help parse input files.
Cleaned up the flags required for each module.
Modified the configuration to look for a shared libdiana in the place libtool puts it.
Required that separate paths to headers and libdiana are specified.
(These can refer to the same directory, if necessary.)
Added default paths for libdiana's header files and library.
Added packaging files.
Added support for installation in different locations.
Made an initial working version of the packaging that relies on an installed
libdiana.so from the diana-headless-3.29 package.
Updated the build dependencies to only rely on development packages.
Updated the dependencies and package version.
Removed the built-in qt module in favour of using a custom PyQt build
supplied by the python-qt4-qws package.
Changed the installation path to place the modules with the QWS versions
of the Qt and PyQt libraries.
Updated the dependencies to refer to the python-qt4-qws package.
Started adding documentation in the form of docstrings.