Merge pull request #7 from Jermolene/master

Adapt to recent improvements in TW5
update for 271b1

increment version in seten.bat
copy TW270 to test/index.html for default comparison target
fix release date for 271b1 in SiteSubtitle
minor content changes for TW271b1

added "download now" (link to empty.zip) in HelloThere
updated WhatsNew (re jQuery updated to 1.8.3)
edits to WhatsNew content
Merge pull request #9 from Jermolene/master

Addition of OS X build script