default JAVA_HOME to latest java 1.8
delete redundant modeline
zsh: iterm2 title support
ignore .ivy2 and .zinc cache folders
with rvm out of the way 'set shell=bash' is no longer necessary
tweak Command-T a bit
ignore .git, swp and output files
use ~/.private/*.zsh for private zsh initialization

This is useful for env setup for customers (servers, locations,
secrets, etc). All files in .private/ are ignored by the repo.