format CHANGELOG

CHANGELOG.txt

@@ -39,6 +39,7 @@ Fix:
 
 Credit: gasolin, fraser, gumbypp
 
+
 1.2 2015/2/25
 ------------------
 code name: Fabuland
@@ -54,6 +55,7 @@ Fix:
 
 Credit: fraser, gasolin
 
+
 1.1 2015/2/8
 ------------------
 code name: Dinosaurs
@@ -69,6 +71,7 @@ Change:
 
 Credit: gumbypp, gasolin, mjhoy, meln1k, Grahack
 
+
 1.0 2012/12/11
 ------------------
 code name: Mindstorms
@@ -93,6 +96,7 @@ Fix:
 
 Credit: gasolin, neil fraser(blockly)
 
+
 0.9 2012/11/11
 ------------------
 code name: TECHNIC
@@ -121,6 +125,7 @@ Fix:
 
 Credit: gasolin
 
+
 0.8 2012/10/31
 ------------------
 code name: DUPLO