split tmux config into separate file
use variable names and functions
reorganize
ensure ~/.bashrc actually exists
insert "set -eu" at top of script
update URL to pathogen.vim

new URL comes from 301 message printed by wget
make comment more explicit about what is expected
insert "set -eu" at top of script
BUGFIX: remove extraneous tilde from PYTHON_VIM setting
BUGFIX: ensure FTPLUGIN_DIR exists
make pathogen installs similar
BUGFIX: decalre PYTHON_SLIME_VIM before usage
replace readlink with python_readlink