add VAGRANT_LOG=error to zsh_profile.d/exports.zsh
update terminal config column and row counts to 100 and 25, respectively
remove configure flags from ruby/rvmrc
add new core config options

- add core.eol = lf
- add core.autocrlf = input
tweak rails db rake aliases

- change dbm to execute ber db:test:prepare
add advanced alfred preferences config