simplify zshrc and relegate it to backup shell

.zshrc

@@ -4,9 +4,11 @@ export PATH="$PATH:$HOME/.rvm/bin" # Add RVM to PATH for scripting
 export PATH="$PATH:$HOME/Scripts"
 export PKG_CONFIG_PATH="/Library/Frameworks/Mono.framework/Versions/4.6.2/lib/pkgconfig":$PKG_CONFIG_PATH
 
-# added by travis gem
-[ -f /Users/drewcassidy/.travis/travis.sh ] && source /Users/drewcassidy/.travis/travis.sh
+# setup completion
+autoload -Uz compinit
+compinit
 
+# setup histfile
 HISTFILE=~/.histfile
 HISTSIZE=1000
 SAVEHIST=1000
@@ -15,7 +17,7 @@ unsetopt nomatch
 bindkey -e
 
 # colorize commands
-# alias ls='ls -G'
+alias ls='ls -G'
 
 alias grep='grep --color=auto'
 alias fgrep='fgrep --color=auto'
@@ -24,5 +26,3 @@ alias egrep='egrep --color=auto'
 export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
 export CLICOLOR=1
 export LSCOLORS='ExcxdxfxgxxexcxdxfBxBx'
-
-eval $(/usr/libexec/path_helper -s)