various fixes:

- changing default formatter option to plain text to make upgrading from
  0.19 Alpha smoother
- fixing translation message change in bootstrap templates
- adjusting how image uploads are displayed in bootstrap templates

tpl/bootstrap.html

@@ -86,7 +86,7 @@
 							</div>
 						</li>{/if}{if="$FILEUPLOAD"}
 						<li id="attach" class="hidden dropdown">
-							<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">{function="t('Attach a file:')"} <span class="caret"></span></a>
+							<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">{function="t('Attach a file')"} <span class="caret"></span></a>
 							<ul class="dropdown-menu">
 								<li id="filewrap">
 									<div>