--User changes

Allow for setting rendering thread priorities from the command line and final render dialog. Currently only implemented on Windows.
 Show estimated time left on the final render dialog.
 Sort palette list by name, instead of by index in the palette file.
 Sorting can be flipped by clicking the column headers of the palette table.

--Code changes
 Remove unnecessary connect() statement in Variations tab.

Source/Ember/Utils.h

@@ -8,6 +8,26 @@
 /// </summary>
 namespace EmberNs
 {
+#ifndef _WIN32
+	#define THREAD_PRIORITY_LOWEST       1
+	#define THREAD_PRIORITY_BELOW_NORMAL 25
+	#define THREAD_PRIORITY_NORMAL       50
+	#define THREAD_PRIORITY_ABOVE_NORMAL 75
+	#define THREAD_PRIORITY_HIGHEST      99
+#endif
+
+/// <summary>
+/// Enum to encapsulate and add type safety to the thread priority defines.
+/// </summary>
+enum eThreadPriority
+{
+	LOWEST       = THREAD_PRIORITY_LOWEST,//-2
+	BELOW_NORMAL = THREAD_PRIORITY_BELOW_NORMAL,//-1
+	NORMAL       = THREAD_PRIORITY_NORMAL,//0
+	ABOVE_NORMAL = THREAD_PRIORITY_ABOVE_NORMAL,//1
+	HIGHEST      = THREAD_PRIORITY_HIGHEST//2
+};
+
 /// <summary>
 /// Thin wrapper around std::find_if() to relieve the caller of having to
 /// pass the implicitly obvious .begin() and .end(), and then compare the results to .end().