This change creates the modals for exported html pages.
Modals are hard-coded onto page with id's of modal_[artefactid]
Bootstrap and jquery files are copied into export js folder.
Profile page is also exported with any modal content.
Add tagged posts modals
get rid of export warning when no $commentcount set in viewposts.tpl
Add recent posts modals so that first journal post was also a modal
Set Parent journal link text to plain text for exports
Add entire resume modals and one resume field modals
Add File(s) to download modals
refactor export_artefact_metadata_modals
add metadata but not comments to resume page
add metata (license info) but not comments to journal pages
add comment count default to 0 in .tpl's if comment count not present (during export)
remove updating comments modals for profile page as this is no longer needed.

Change-Id: Iff50138285951a4f9a1573423f4f74feba97886f
Signed-off-by: Lisa Seeto <lisaseeto@catalyst.net.nz>