Prepare release

efb4f175 · Thomas Mueller · 714724b9 · efb4f175 · efb4f175 · efb4f175
--- a/h2/src/docsrc/text/_docs_en.utf8.txt
+++ b/h2/src/docsrc/text/_docs_en.utf8.txt
--- a/h2/src/docsrc/text/_docs_ja.utf8.txt
+++ b/h2/src/docsrc/text/_docs_ja.utf8.txt
--- a/h2/src/docsrc/textbase/_docs_en.properties
+++ b/h2/src/docsrc/textbase/_docs_en.properties