ruthless member function removal commence.
bed_record.(h|cc) -> bed_record.hh
zoom_header.{h|cc} -> zoom_header.hh
zoom_record.{h|cc} -> zoom_record.hh
wig_record.{h|cc} -> wig_record.hh
tot_summ..{h|cc} -> tot_summ.hh
record.{h|cc} -> record.hh
r_tree.{h|cc} -> r_tree.hh
main_header.{h|cc} -> main_header.hh
mv main_header.h main_header.hh
bp_tree.{h|cc} -> bp_tree.hh
Updated consolidated headers.
xcode settings.
Application code updated.

This is a large commit that leaves the application code working
correctly after the std::streambuf transition + member function
elimination + header consolidation.
header re-organise in bbi_stream.hh.
Header update in bp_tree.hh.
Updated bbi-view takes uri for bbi file.
xccheckout for bbi-ws added.
Merge branch 'dpj-dev' of bitbucket.org:deltadev/bbi into dpj-dev

Conflicts:
	bbi-ws.xcworkspace/xcshareddata/bbi-ws.xccheckout
bb_index::main_header renamed bb_index::header.