Updated readme and moved changelog to separate file.

CHANGELOG.md

@@ -0,0 +1,21 @@
+# Changelog
+
+## 1.2.1
+
+ - disabled tooltip animation to fix JS errors and UI disappearing from under cursor
+
+## 1.2
+
+ - merged RP with additional core events in admin
+ - implemented (ballpark) toolbar event
+ - fixed issue with event offsets in timelines
+
+## 1.1
+
+ - added SQL timeline
+ - added HTTP timeline
+ - switched tooltips implementation to Bootstrap script
+
+## 1.0
+
+ - Initial public release