New and Rename buttons now support directories

* Also fixes renaming a file from a subdirectory moves it to the root.
  * Add context info option to dialog, used in the new dialog
  * Added CSS to support new context option for dialogs
  * Fix /pages view messing up directory creation in new
  * Removed the Edit and Rename buttons from historic view

test/examples/revert.git/objects/08/4a558a1fb3cded23129e2dfad3a17d07d73fd3

@@ -0,0 +1,3 @@
+x
ŤŹMjĂ0…»Ö)ć
+Š4cËPJŮőŇü´˘±]dy‘Ű'� ‹÷ń6ĽÇë<×�đĄ7U0‹‰PŚÉgĂ ‰
+Ł Qz„Xl˘˘Ĺýĺ¦K•�'b™Rf#*dVJL’‰F‰C