Merge pull request #306 from modilabs/xslt_performance

XSLT performance
fixed bug with input types
Merge pull request #307 from modilabs/xslt_performance

fixed bug with input types
fix html head title, closes #301
Merge branch 'master' of https://github.com/modilabs/enketo
Merge pull request #86 from modilabs/master

fixes html head title, input types XSLT