- Make a start on completing the phpDoc comments for the template engine

- Tidy template engine code, mainly PHP5 stuff, made some methods void instead of just returning true
- Add tests for the remaining untested compilation code


git-svn-id: file:///svn/phpbb/trunk@9115 89ea8834-ac86-4346-8a33-228a782c2dd0

tests/template/templates/lang.html

@@ -0,0 +1,3 @@
+{L_VARIABLE}
+
+{LA_VARIABLE}