Update readme for 4.5 release

Author: wtomi

README.md

@@ -269,8 +269,7 @@ We can:
 
 # More documentation
 ------------------
-* [Full documentation of Slice 4.4](https://cognifide.atlassian.net/wiki/display/SLICE/About+Slice+-+4.4)
-* [Slice 4.4 APIdocs](http://cognifide.github.io/Slice/apidocs/4-4-0/)
+* [Full documentation of Slice 4.5](https://cognifide.atlassian.net/wiki/display/SLICE/Slice+4.5)
 * [Slice Wiki](https://cognifide.atlassian.net/wiki/display/SLICE)
 * [Slice users mailing group](http://slice-users.2340343.n4.nabble.com/) if you have any question on how to use it
 * [Slice issue tracking](https://cognifide.atlassian.net/browse/SLICE)