Commit Briefs
add enable-colors (variable)
currently unused, will help later when adding colour support
move all cmd_* functions in their own file
this detangles definitely the commands from the ui. Various variables and struct from ui.c needed to be exported, aside from that, no functional changes.
optimize redraw_window
don't redraw the page if no scrolling happened. There's still need to ``force'' the redraw sometimes, like after a resize or after toggling olivetti-mode, so add a buffer->force_redraw flag for it.
move all styling to defaults.c
i.e. don't hardcode text attributes
link the parser in the build
and: * add some flags * document them * move the customizable stuff to defaults.c
rename: s/window/buffer (but not always)
this aims to solve (albeit only partially) the confusion between telescope' ``struct window'' and ncurses WINDOW. It also brings some more emacs-like nomenclature, which may be a good thing.