Merge pull request #209 from splewis/master

Add missing convars.inc to buildbot package script (r=psychonic).
Disallow retagging enums or using implicit-int as an enum tag.
Fix clientprefs IsAuthIdConnected (again).
Fix reading the wrong symbol name when throw argument errors.
Support long key names for languages. (bug 6282)
Merge pull request #208 from asherkin/long-lang-codes

Support long key names for languages (bug 6282)
Update PVKII gamedata.
Merge pull request #210 from alliedmodders/more-clientprefs-newauth

Fix clientprefs IsAuthIdConnected (again) (r=asherkin).
Add a "new" keyword for constructing nullable methodmaps.
Fix a bug where aliased constructors of nullable methodmaps could not be used.
Update plugins for new syntax.
Add a view_as operator.
Fix warning in files.inc
Merge pull request #211 from Bara20/patch-1

Fix warning in files.inc (r=psychonic).