Update Flurry to v.4.3.2 with crash report enabled. Add test case to test crash report functionality of Flurry.

Test case will wait for 5 seconds then call function to NULL object thus crash the app. Crash log will be showed on Flurry’s Dashboard.
Fix rendering text in cocos2d-x. Add a button to begin process to crash an app.
Merge pull request #13 from haxpor/master

Update Flurry to v.4.3.2 with crash report enabled.