"Geometry Collections" list now displays table name when it differs from
the geometry column name.
Add retrieveColumns function to WeavePathData
SocrataDataSource now makes metadata requests to avoid downloading the
actual data until a column is requested.
Fixed crash when ExternalInterface.available == false

Change-Id: Ia0638d3213211fa91110b6ef31d6f5733e618f7a
Now throwing original error when loadWeaveFileContent() fails.

Change-Id: I457edc149bf2e60293b1012bfa7b45049752a82c
Replaced AS3 zip library with miniz.c using FlasCC

Change-Id: I70ee6632189645f9c5f08297db1693e501ca31f7
added missing cast to XML mistakenly removed in previous commit
Cleaned up grouped callback code and made it so a grouped callback can
no longer be called immediately due to being triggered by another
grouped callback.
Fixed possible grouped callback infinite recursion bug created in
previous commit.

Change-Id: I024a81c4985f89a7205c79e7073b5e34effa4332
Now making two passes on grouped callbacks that get recursively
triggered.
The second pass allows grouped callbacks to call each other immediately.
fixed bug where socrata columns wouldn't refresh when the data became
available.
Merge branch 'master' of https://github.com/IVPR/Weave into fkamayou-temp