remove some unused cruft templates
consistent file naming
chainsaw,nothing works yet
merge master
less broken can actually create plot objects now
add glyph functions to plot class
cleanup glyphs.py
merge master
WIP
WIP
Merge pull request #579 from ContinuumIO/session_refactor_hugo

Session refactor hugo
Made better imports, just importing objects and glyphs at the beginning.
Cleaned _make_line function.
Refactored _make_lines_colection function.
Cleaned map_line_properties.
Refactored _make_poly_collection.
Refactored _make_marker function.
Deleted unused and commented code.
Deleted extract_axes function.
Relocation of code blocks.