Release 2.5.0

Update version number and update documentation

* Support for transcrypt (#197)
* Support ESH templates (#220)
* Preserve file mode of template (#193)
* Fish shell completions (#224)
* Fix alt processing when worktree is `/` (#198)
* Assert config directory if missing (#226, #227)
* Documentation improvements (#229)

CONTRIBUTORS

@@ -2,28 +2,32 @@ CONTRIBUTORS
 
 Tim Byrne
 Martin Zuther
-Ross Smith II
+Jan Schulz
+Jonathan Daigle
+Tin Lai
 Espen Henriksen
 Cameron Eagans
 Klas Mellbourn
+Ross Smith II
+Tomas Cernaj
+jonasc
+Sébastien Gross
 David Mandelberg
 Daniel Gray
-Jan Schulz
-Siôn Le Roux
-Stig Palmquist
-Sébastien Gross
-Thomas Luzat
-Tomas Cernaj
-Uroš Golja
-con-f-use
-japm48
-Brayden Banks
-jonasc
-Daniel Wagenknecht
-Franciszek Madej
-Mateusz Piotrowski
 Paraplegic Racehorse
-Patrick Hof
-Russ Allbery
+japm48
+Siôn Le Roux
+Mateusz Piotrowski
+Uroš Golja
 Satoshi Ohki
+Franciszek Madej
+Daniel Wagenknecht
+Stig Palmquist
+Patrick Hof
+con-f-use
 Sheng Yang
+Tim Condit
+Thomas Luzat
+Russ Allbery
+Brayden Banks
+Alexandre GV