Updated documentation main page text.
Updated documentation main page text.

git-svn-id: c7d99bc206f7ee22521dfe6c1b029370a3688d12@926 10c4dfc4-00c9-b076-3360-45a67c2f8363

aeantipov/pomerol,aeantipov/pomerol,aeantipov/pomerol