Merge pull request #92 from eileenmcnaughton/6.x-4.4

CRM-13737 d6 drupal integration - add default to variable_get call
CRM-13826 - Views D6 - Fix tag pseudoConstant
Merge pull request #100 from colemanw/6.x-4.4

CRM-13826 - Views D6 - Fix tag pseudoConstant
Update version numbers to 4.4
Merge pull request #105 from ar-jan/6.x-version-4.4

Update version numbers to 4.4
CRM-14007 add handling from d7 for activity contact
remove old require once
backported comments from d7 views
This sets up the d7 structure where the core tables are loaded from the d7 file
we simply move the table definition into the separate function
Now we have moved the activity table definition too
add activity table def from d7 to cope with activity_contact changes