PyCharm environment updpate
Added pyramid-jinja2 dependency
Revert "Added pyramid-jinja2 dependency"

This reverts commit d46abd534e5976ceda6eda80982b4df0f9539983.
Updated ignore list
Added pyc ignore
Nullable gw2db_id and external_id
Updated ignore file.
Ignoring kombu.db
Ignore pyc files. again.