Add additional NOPs as required by hardware manual.
Microblaze:
Previously a task inherited the exception enable state from the context from which xTaskCreate() was called. Now tasks all have exceptions enabled if they are enabled in the hardware.
Windows/GCC:
Improve the implementation of portGET_HIGHEST_PRIORITY.
Common code:
Simplify the pointer use in xQueueGenericCreate()
Demo apps:
Remove jpg images that were used to create web pages.
Fix capitalisation issues in some demos where some header files are incldued with the wrong case, preventing building on Linux.
Remove the Microblaze demos that are using obsolete tools.
Update main_blinky for the Windows port demo to include a software timer example.
+ Do not attempt to free the stack of a deleted task if the stack was statically allocated.
+ Introduce configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES - which optionally writes known values into the list and list item data structures in order to assist with the detection of memory corruptions.
Microblase port:
+Change occurrences of #if XPAR_MICROBLAZE_0_USE_FPU == 1 to #if XPAR_MICROBLAZE_0_USE_FPU != 0 as the value can also be 2 or 3.
Demo app modifications:
+ Update Zynq project to use the 2014.4 tools and add in tests for the new task notification feature.
+ Update SAM4S project to include tests for the new task notification feature.
Replace #define types with typedefs.
Rename all typedefs to have a _t extension.
Add #defines to automatically convert old FreeRTOS specific types to their new names (with the _t).
