bump crengine: tables rendering improvements and others

bump crengine, which includes:
- Adds support for symbol fonts (local or embedded)
- Fix some issues when rendering text in constrained width
- Page splitting: fix possible missing blocks
- CSS: adds support for 'auto', ignore % for borders
- Fix right border drawing position
- Fix: adds missing properties in copystyle()
- Adds comments, erm_killed rendering method
- Adds getRenderedWidths(): get node min/max node content width
- Tables rendering: fixes and improvements
- getRenderedWidths: enable min_width to be a single CJK char
- Fix wrong text wrap avoid in some case
- epub.css: add style for 'blockquote'
- Fix rendering issue when line ends with an image

Adds a few style tweaks related to tables.

Enforce table width: 100% in Wikipedia EPUBs to keep
previous look, which feels better with the various kinds
of tables in Wikipedia pages.

Fix unit tests as juliet.epub (full of blockquotes), grew quite
a few pages with the epub.css update.

spec/unit/readerrolling_spec.lua

@@ -186,13 +186,13 @@ describe("Readerrolling module", function()
         it("should show pages for different word gap", function()
             readerui.document:setSpaceCondensing(100)
             readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
-            assert.are.same(191, readerui.document:getPageCount())
+            assert.are.same(267, readerui.document:getPageCount())
             readerui.document:setSpaceCondensing(75)
             readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
-            assert.are.same(189, readerui.document:getPageCount())
+            assert.are.same(262, readerui.document:getPageCount())
             readerui.document:setSpaceCondensing(50)
             readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
-            assert.are.same(189, readerui.document:getPageCount())
+            assert.are.same(248, readerui.document:getPageCount())
         end)
     end)