+Fix LTTV for PowerPC. Integrate some fixes useful for other architectures.<br>
+Basic PowerPC tracing (incomplete instrumentation).<br>
+LTTng 0.5.51, 0.5.52, genevent 0.20 : code indentation fix.<br>
+LTTV 0.4.42, LTTng 0.5.55, LTT control 0.7, genevent 0.21 : PowerPC 32 and 64
+bits support.<br>
+LTTng 0.5.56 : MIPS time frequency fix.<br>
+LTTng 0.5.57 : add 32 bits compat execve tracing (for 64 bits architectures).<br>
+LTTV 0.8.43 : fix trace start time, 0.8.44 : interrupt view fixes.<br>
+ltt-usertrace : add a java tracing example.<br>