Encapsulate app name in CDATA when sending crash

In case an app name looks like an XML tag, this ensures that it can be processed correctly on the server by the XML reader

Classes/BITCrashManager.m

@@ -1330,7 +1330,7 @@ - (void)sendNextCrashReport {
       }
     }
 
-    crashXML = [NSString stringWithFormat:@"<crashes><crash><applicationname>%@</applicationname><uuids>%@</uuids><bundleidentifier>%@</bundleidentifier><systemversion>%@</systemversion><platform>%@</platform><senderversion>%@</senderversion><version>%@</version><uuid>%@</uuid><log><![CDATA[%@]]></log><userid>%@</userid><username>%@</username><contact>%@</contact><installstring>%@</installstring><description><![CDATA[%@]]></description></crash></crashes>",
+    crashXML = [NSString stringWithFormat:@"<crashes><crash><applicationname><![CDATA[%@]]></applicationname><uuids>%@</uuids><bundleidentifier>%@</bundleidentifier><systemversion>%@</systemversion><platform>%@</platform><senderversion>%@</senderversion><version>%@</version><uuid>%@</uuid><log><![CDATA[%@]]></log><userid>%@</userid><username>%@</username><contact>%@</contact><installstring>%@</installstring><description><![CDATA[%@]]></description></crash></crashes>",
                 [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleExecutable"],
                 appBinaryUUIDs,
                 appBundleIdentifier,