+ _ _____ _ _____
+__ _____ _ __ ___(_) ___ _ __ |___ / / |___ /
+\ \ / / _ \ '__/ __| |/ _ \| '_ \ |_ \ | | |_ \
+ \ V / __/ | \__ \ | (_) | | | | ___) || |___) |
+ \_/ \___|_| |___/_|\___/|_| |_| |____(_)_|____/
+ Apr 27 2016
+
+The Half Release, a.k.a. the Zealous Easter Trim.
+
+ * Half of the lines of code are gone.
+ - v3.12: 286k lines; v3.13: 142k lines (+ comments)
+ - Experimental untested unused "features" removed
+ - We rewrote several parts in C++ instead of C
+
+ * Introducing v4 of the XML platform format
+ - Many long-due cleanups (details in the Changelog)
+
+ * MSG examples fully reorganized (in C and Java)
+
+ * The S4U interface is rising, toward SimGrid 4
+ - All host manipulations now done in S4U
+ - SimDag was mostly rewritten on top of S4U
+ - MSG & SimDag interfaces mostly unchanged