clean up files

add texmf files. ignore a bunch of things.
added Jake's modifications
ignore more things
added text scale change functions.
add update menu, load techela
new techela module
fixed logic bug in syllabus function
add answer link
make example blocks not tangle explicitly
improvements
add admin and techela_ssh script
add error message to turn it in
add git setup commands
change mode
add error on cloning repo
rename techela-log to techela log
rm. install from melpa now
take out server. change insert-path function to take a prefix so you can get relative or absolute path.
delete. not used in jmax
mv to a techela folder