doxygen: mark old-style API as deprecated
started updating usage examples to new API
continued updating usage examples to new API
added tests for createTiffImage() and importTiffImage()
changed TIFF default compression setting to LZW
continued updating usage examples to new API
finished updating reference manual to new API
Kernel init functions now return *this
updated tutorial for new API
updated examples to new API
fixed temp type in gaussianGradientMultiArray()
added more documentation for axistags
continued updating examples
finished updating the documentation
added possibility to import gray image into RGB array (and test)
reverted change to have kernel init function return a reference (does not work with boost_python)
allow a multi-band image to be read into a single-band array (read only first band)
fixed check for number of target bands in importImage()
vigranumpy docu: fixed cross-reference to convolveImage()