Merge pull request #432 from webnotes/hotfix

Encode URI component in link field formatter
bumped to version 3.9.1
Merge branch 'develop'
Scrub (encode) url of print html
Merge pull request #438 from nabinhait/hotfix

Scrub (encode) url of print html
bumped to version 3.9.2
Merge branch 'develop'
Minor fix in nestedset
Set subject while pulling email if subject not specified
trim for checking text editor content
Merge pull request #448 from nabinhait/hotfix

Hotfix