SnapshotController: add .pdf ext to pdf filename
Welcome page: fix typo

Fix typo atrributes => attributes
Merge branch 'develop-misc-fixes' (pdfext,welcometypo) into code-develop
Messages: import fixes from applicationbase

Update messages-base.properties with typo fixes from applicationbase.
Merge branch 'develop-misc-fixes' into code-develop
Messages: import fixes from applicationbase again

Update messages-base.properties with typo fixes from
applicationbase again.
Merge branch 'develop-misc-fixes' into code-develop
Version: internal Tuakiri release 1.0-tuakiri3