documentation(release): Add 1.4.5 release note

Author: Alexandre Chatiron

documentation/manual/releases/release1.4.x/releasenotes-1.4.5.textile

@@ -0,0 +1,11 @@
+h1. Play 1.4.5 -- Release notes
+
+Play 1.4.5 has been released of the 1.4.x maintenance branch.
+
+The changes in this release are listed in the "Play 1.4.5 milestone"on github":https://github.com/playframework/play1/milestone/5
+including 2 resolved tickets. 
+
+
+h2. What's fixed in Play 1.4.4
+
+* "#1145:https://github.com/playframework/play1/issues/1145 , "#1126":https://github.com/playframework/play1/issues/1126 : Fix problem of module installation

documentation/manual/releases/releases.textile

@@ -5,6 +5,8 @@ You can download Play releases "here":https://www.playframework.com/download. Ea
 
 h2. Play 1.4.x
 
+# "Play 1.4.5":release1.4.x/releasenotes-1.4.5
+# "Play 1.4.4":release1.4.x/releasenotes-1.4.4
 # "Play 1.4.3":release1.4.x/releasenotes-1.4.3
 # "Play 1.4.2":release1.4.x/releasenotes-1.4.2
 # "Play 1.4.1":release1.4.x/releasenotes-1.4.1