fixed some snippets

snippets/ruby-rails/ass.snippet

@@ -1 +1 @@
-assert_select '<+path+>'<+, :<+text+> => <+'<+inner_html+>'+>+> <+do<++>+>
+assigns[:${1}]

snippets/ruby-rspec/shc.snippet

@@ -1,3 +1 @@
-lambda do
-	${1}
-end.should change(${2:target}, :${3:method}).from(${4:old_value}).to(${5:new_value}).by(${6:change})
+lambda{ ${1:action} }.should change{ ${2:value} }

snippets/ruby-rspec/shnc.snippet

@@ -1,3 +1 @@
-lambda do
-	${1}
-end.should_not change(${2:target}, :${3:method})
+lambda{ ${1:action} }.should_not change{ ${2:value} }

vimrc

@@ -55,3 +55,4 @@ cmap w!! w !sudo tee % >/dev/null
 autocmd BufNewFile,BufRead *.mobile.erb let b:eruby_subtype = 'html'
 autocmd BufNewFile,BufRead *.addin.erb let b:eruby_subtype = 'html'
 
+autocmd User Rails Rnavcommand cache app/cache -glob=**/* -suffix=_cache.rb -default=./lib/cache_observer.rb