hideBlock now hides, not removes a block

DOM removal is a dangerous default especially for a "hide"
function.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "salet",
-  "version": "1.5.3",
+  "version": "1.5.4",
   "description": "A general client-side framework for cybertext interactive fiction games.",
   "keywords": ["ifiction", "interactive fiction", "games", "coffee-script", "text", "menu"],
   "homepage": "http://salet.oreolek.ru",

src/view.coffee

@@ -271,7 +271,7 @@ class SaletView
     # A function to hide a block
     # @param block - jQuery object or selector to hide
     # @param remove - whether to remove the block from DOM afterwards
-    @hideBlock = (block, remove = true) ->
+    @hideBlock = (block, remove = false) ->
       block = jQuery(block)
       if block.is(':hidden')
         return true