only use mutex for init on java platform, fixes #1732
fix ignore newline by after textarea's opening tag
Merge pull request #1736 from krororo/fix-ignore-newline

fix textarea value with leading newline
Change email condition for default AR4.1 in minirecord
Merge pull request #1738 from tyabe/fix_admin_template

Change email condition for default AR4.1 in minirecord