add condition style guide
add loop style guide
add array style guide
add iterator style guide
add method style guides
add hash style guides
remove old style guides, fix iterator guide, and change the names
Merge pull request #18 from enilsen16/style

Add style guides to ruby_style_guides
Improve style guide
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'origin/master'