Operator first support,including ternary,dot etc.

generally this will give us fairly accurate indents without having specific code for each operator.Thanks to pangloss#139 (comment) which this is based on
I think this needs a few things before it's ready

Author: bounceme

indent/javascript.vim

@@ -378,12 +378,31 @@ function GetJavascriptIndent()
     return indent(prevline) + s:case_indent_after
   endif
 
-  if (line =~ s:ternary)
-    if (getline(prevline) =~ s:ternary_q)
+  " If line starts with operator...
+  if (line =~ s:operator_first)
+    if (getline(prevline) =~ s:operator_first)
+      " and so does previous line, don't indent
       return indent(prevline)
+    end
+    let counts = s:LineHasOpeningBrackets(prevline)
+    if counts[0] == '2'
+      call cursor(prevline, 1)
+      " Search for the opening tag
+      let mnum = searchpair('(', '', ')', 'bW', s:skip_expr)
+      if mnum > 0
+        if getline(mnum) =~ s:operator_first
+          return indent(mnum)
+        end
+      end
     else
-      return indent(prevline) + s:sw()
-    endif
+      " otherwise, indent 1 level
+      return indent(prevline) + &sw
+    end
+  end
+  " If previous line starts with a dot...
+  if (getline(prevline) =~ s:operator_first)
+    " dedent 1 level
+    return indent(prevline) - &sw
   endif
 
   " If we are in a multi-line comment, cindent does the right thing.