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.

frontend/apps/reader/modules/readerhighlight.lua

@@ -392,6 +392,7 @@ function ReaderHighlight:viewSelectionHTML(debug_view)
             -- Each node on a line, with markers and numbers of skipped chars and siblings shown,
             -- with possibly invalid HTML (text nodes not escaped)
             html_flags = 0x3353
+            -- html_flags = 0x3753 -- use this to additionally see rendering methods
         end
         local html, css_files = self.ui.document:getHTMLFromXPointers(self.selected_text.pos0,
                                     self.selected_text.pos1, html_flags, true)