first attempt at HTMLParser-based paraparser
paraparser.py: fix HTMLParser imports
paraparser.py: fix encoding issue
paraparser.py: remove usage of pyRXPU, remove attempted optimization of texts
test_platypus_paraparser.py: fix entity tests
test_graphics_images.py: remove unwanted print
tools/pythonpoint/stdparser.py: use HTMLParser not xmllib
paraparser.py: remove reference to XMLParser
remove xmllib.py & sgmlop.c etc etc