Bug 828057: Bump maxVersion in httpd/install.rdf to 21.0.*, for this week's gecko version-number increase. r=fabrice
Merge pull request #7405 from dholbert/master

 Bug 828057: Bump maxVersion in httpd/install.rdf to 21.0.*, for this week's gecko version-number increase. r=fabrice
Auto-merge from branch 'master'