Bump version to 5.5

Change-Id: I8fd9ec2ea1138a94478b73a284ea1b550b62bd5a
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/global/qglobal.h

@@ -45,11 +45,11 @@
 
 #include <stddef.h>
 
-#define QT_VERSION_STR   "5.4.0"
+#define QT_VERSION_STR   "5.5.0"
 /*
    QT_VERSION is (major << 16) + (minor << 8) + patch.
 */
-#define QT_VERSION 0x050400
+#define QT_VERSION 0x050500
 /*
    can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0))
 */

src/corelib/io/qdatastream.cpp

@@ -539,6 +539,7 @@ void QDataStream::setByteOrder(ByteOrder bo)
     \value Qt_5_2 Version 15 (Qt 5.2)
     \value Qt_5_3 Same as Qt_5_2
     \value Qt_5_4 Version 16 (Qt 5.4)
+    \value Qt_5_5 Same as Qt_5_4
     \omitvalue Qt_DefaultCompiledVersion
 
     \sa setVersion(), version()

src/corelib/io/qdatastream.h

@@ -90,10 +90,11 @@ public:
         Qt_5_2 = 15,
         Qt_5_3 = Qt_5_2,
         Qt_5_4 = 16,
-#if QT_VERSION >= 0x050500
+        Qt_5_5 = Qt_5_4,
+#if QT_VERSION >= 0x050600
 #error Add the datastream version for this Qt version and update Qt_DefaultCompiledVersion
 #endif
-        Qt_DefaultCompiledVersion = Qt_5_4
+        Qt_DefaultCompiledVersion = Qt_5_5
     };
 
     enum ByteOrder {