MasDennis/Rajawali — pull request #339 by Davhed (2013-01-27 05:57:01+00:00)
Title: Added OBJ serializing convenience functions

Simplified repetitive OBJ exports by adding a function that combines
parsing and exporting while still supporting all existing features.

Example Usages:
```java
MeshExporter.serializeObj(mContext, mTextureManager, R.raw.myModel_obj, "myModel.ser");

MeshExporter.serializeObj(mContext, mTextureManager, R.raw.myModel_obj, "myModel.ser", useCompression);

MeshExporter.serializeObj(mContext, mTextureManager, R.raw.myModel_obj, "myModel.ser", exportDir);

MeshExporter.serializeObj(mContext, mTextureManager, R.raw.myModel_obj, "myModel.ser", useCompression, exportDir);
```