[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").

Added support for array .sort and .reverse properties.
Fixed some bugs with pointer arithmetic.
Disabled some DMD AST optimizations that was messing things up, destroying valuable information.
Added a KDevelop project file, this is what I use for coding LLVMDC now :)
Other minor stuff.

test/bug62.d

@@ -0,0 +1,12 @@
+module bug62;
+
+void main()
+{
+    int[] arr = [1,2,5,7,9];
+    int i = 0;
+    foreach(v; arr) {
+        i += v;
+    }
+    printf("sum = %d\n", i);
+    assert(i == 24);
+}