Updates for installers
update typo in post_installer
Missing installer file from David. (lost in the merge)
Merge pull request #5 from chandraprakash/missing_vault_manager_daemonizer_file

Missing installer file from David. (lost in the merge) - Thanks Prakash
Revert "Missing installer file from David. (lost in the merge)"
Merge pull request #7 from maidsafe/revert-5-missing_vault_manager_daemonizer_file

Revert "Missing installer file from David. (lost in the merge)"
Merge pull request #6 from chandraprakash/unix_installers

Unix installers by David