Final touches to the release notes for 2.5.0

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

installer/ReleaseNotes.md

@@ -1,5 +1,5 @@
-#Git 2.4.6.1 Release Notes
-Last update: 18 July 2015
+#Git 2.5.0.1 Release Notes
+Last update: 17 August 2015
 
 ##Introduction
 
@@ -41,7 +41,6 @@ This package contains software from a number of other projects including zlib, c
 * The size of the installers [was reduced again](https://github.com/git-for-windows/git/issues/262), almost to the levels of Git for Windows 1.x.
 * Under certain circumstances, when the Windows machine is part of a Windows domain with lots of users, the startup of the *Git Bash* [is now faster](https://github.com/git-for-windows/git/issues/193).
 * Git [no longer warns about being unable to read bogus Git attributes](https://github.com/git-for-windows/git/issues/255).
-* The Git for Windows installer [shrank in size again](https://github.com/git-for-windows/git/issues/262), almost to the size of the Git for Windows 1.x installers.
 
 ##Changes since Git-2.4.5 (June 29th 2015)