minor
adding bulk collection rst
image edition
correction in image file name
note symtax
note syntax
email config added
bullets correction
bullet correction
correction
misc. changes
Merge branch '4.2'
nada insallation on iis
Merge branch '4.1'
Merge branch 'master' of https://github.com/catchsomnath/nada-docs
Merge branch '4.2' of https://github.com/catchsomnath/nada-docs into 4.2
Merge branch '4.1' of https://github.com/catchsomnath/nada-docs into 4.1
Merge branch '4.1'
Merge branch '4.2'