Merge pull request #48 from dpradeep/merge-forward

merging civicrm core into master
Merge pull request #49 from dpradeep/merge-forward

More Fixes after merge.
-- added upgrade code message template
Merge pull request #50 from dpradeep/merge-forward

Minor Fixes after merge.
-- changed the version name
Merge pull request #51 from Parag18/VAT-572-Push

-- added upgrade code message template
Merge pull request #52 from Parag18/VAT-572-Push

-- changed the version name
generated data fixes
Removed notice and added images for invoice pdf.