move accepts_nested_attributes_for to attributes section
make rspec section definiton comment more readable
add rspec shoulda matchers snippets
Merge branch 'shoulda_matchers' of git://github.com/babybeasimple/vim-snippets into babybeasimple-shoulda_matchers

* 'shoulda_matchers' of git://github.com/babybeasimple/vim-snippets:
  add rspec shoulda matchers snippets
  make rspec section definiton comment more readable
  move accepts_nested_attributes_for to attributes section

Conflicts:
	snippets/ruby.snippets