move lots of devel_exit() stuff like query log and memory log to a shutdown function. we now get more accurate memory usage and more importantly, the 2 write queries in sess_write() at the end of every request are now shown. lets get rid of one or both of these through refactoring of throttle and who's online features.

automatically show large data structures within a textarea during dprint_r(). early code by irakli. modified by moshe weitzman ... minor function rename too

remove automatic block enable feature. it didn't work 100%, and some folks dislike the php block in particular

show sumamry query information even when query log is disabled and timer enabled. also change a bunch of strtr to t() since we rejiggered bootstrapo so that t() is legal in hook_init and hook_exit()

the variable viewer is replaced by a fine variable editor. patch by moshe weitzman ... i would be pleased if someone figured out how to add the fancy checkbox range behavior to this form.

add two new functions for var_dump(). dvr() and dvm() which are analogous to dpr() and dsm(). inspired by #58723