use copyfile and copydir plugin in ohmyzshell
map 'ü' to '[' in custom keyboard layout
some additions to .zshrc file
- add keybinding in zsh of 'jj' to vim-mode'
- add alias for adding all modified files in git
change path to sourcetree app for diffs in git
add install scripts for gradle and git

installs user specific gradle.properties file
fix invalid zshrc
add shortcut to switch java version