updated readme
added private.zsh
added ignore
added assume-unchanged
fixed install.sh
adjusted copy command to work on bsd systems.  added freebsd disclaimer.
added destination to cp commands on directories.  freebsd didn't like not having a dest
updated linux java to oracle (openjdk sux)
removed vim and home stuff since they're in other repos
added stuff for freebsd usbsticks.
updated install to backup private.zsh on uninstall and to readd it on install if backup exists
added dev update
added rvm as a function to shell
adjusted default lang and lc_all
tweaked variable to be consistent
removed old work pc variable
fixed typo
added intellij jdk and removed absolute path reference for home dir.
updated maven
added documentation for git prompt