Title Listing - add filtering by titles with 2 or more linked IEs

I also had to change the way the subscriptions filter was working but I think it was for the best.
Merge branch 'newdev' into edina
Titles Listing - Quick Fix

The query run to get num_ti_rows wasn't using the new filter filterMultiIE and was breaking the pagination.
Introduce all packages link to manage menu
Don't display the word null if no value set in simple in place edit
Case sensitivity problem with copy entitlements. fixed
Merge branch 'newdev' of github.com:k-int/KBPlus into newdev
Added documents to packages. WARNING - This is a substantial addition to the datamodel and might cause problems
Changes to package details screen listing all users editable subscriptions that don't currently link to this package
More work on add pkg to sub
Linked notes into new package page
Wire together first part of add pkg to sub
Wire together add pkg to sub action.
Remove basket button from package list
Added index.gsp for packageDetails
Use norm package identifier instead of package identifier at package upload time. Reject duplicates. closes #500
Added option top open host link in new window. closes #464
Removed subscription link from SOreview page. closes #499
Extra instrumentation around content provider creation. All seems to be working oK
Added add and add with entitlements to linkPackage page