Fix error in searching for managed files.
Use 'vim' as GIT_EDITOR.
Make 'vim' font smaller in mac profile.
Set cygwin TEMP/TMP to Windows settigns.
Default git push to 'upstream'.
Set ALSA unique ipc keys.
Use 'light' scheme in Xresources.
'guifont' set in vimrc like 'mac' profile.
Remove workaround for faulty colours.