temporary fix to OSX 10.8 problem by delaying creation of _networkAccessManager
Merge pull request #2246 from ZappoMan/bugfixes

temporary fix to OSX 10.8 problem by delaying creation of _networkAccessManager
Initialize scale to unity.  Closes #2232.
Merge pull request #2253 from ey6es/master

Initialize scale to unity.  Closes #2232.