Twig new

During the last two days I implemented a few improvments:

• Doku
• first Base-Templates
• add stores to context
• Bug: 10.twig = must start with single quote only
• Bug: vars passed to twig are not availabel TS afterwards

Unittests would still be nice to have, but I think it's better to integrate this now and improve later then to wait any longer.

Documentation/.editorconfig

+# EditorConfig is awesome: http://EditorConfig.org
+#
+# Use as master: https://github.com/TYPO3-Documentation/T3DocTeam/blob/master/.editorconfig
+
+# top-most EditorConfig file
+root = false
+
+[{*.rst, *.rst.txt}]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 3
+
+# MD-Files
+[*.md]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4