Normalise whitespace within snippet headers

Author: Alhadis

c++-mode/beginend

@@ -1,5 +1,5 @@
 # -*- mode: snippet -*-
-#name : v.begin(), v.end()
+# name: v.begin(), v.end()
 # key: beginend
 # uuid: beginend
 # --

c++-mode/using

@@ -1,5 +1,5 @@
 # -*- mode: snippet -*-
-#name : using namespace ... 
+# name: using namespace ... 
 # key: using
 # uuid: using
 # --

c-mode/fopen

@@ -1,4 +1,4 @@
 # -*- mode: snippet -*-
-#name : FILE *fp = fopen(..., ...);
+# name: FILE *fp = fopen(..., ...);
 # --
 FILE *${f} = fopen(${"file"}, "${r}");

cc-mode/once

@@ -1,5 +1,5 @@
 # -*- mode: snippet -*-
-#name : #ifndef XXX; #define XXX; #endif
+# name: #ifndef XXX; #define XXX; #endif
 # key: once
 # uuid: once
 # --

cc-mode/struct

@@ -1,5 +1,5 @@
 # -*- mode: snippet -*-
-#name : struct ... { ... }
+# name: struct ... { ... }
 # key: struct
 # uuid: struct
 # --

csharp-mode/attrib

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
-#contributor : Alejandro Espinoza Esparza <[email protected]>
-#name : private attribute ....;
+# contributor: Alejandro Espinoza Esparza <[email protected]>
+# name: private attribute ....;
 # key: attrib
 # uuid: attrib
 # --

csharp-mode/attrib.1

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
-#contributor : Alejandro Espinoza Esparza <[email protected]>
-#name : private attribute ....; public property ... ... { ... }
+# contributor: Alejandro Espinoza Esparza <[email protected]>
+# name: private attribute ....; public property ... ... { ... }
 # key: attrib
 # uuid: attrib
 # --

csharp-mode/attrib.2

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
-#contributor : Alejandro Espinoza Esparza <[email protected]>
-#name : private _attribute ....; public Property ... ... { ... }
+# contributor: Alejandro Espinoza Esparza <[email protected]>
+# name: private _attribute ....; public Property ... ... { ... }
 # key: attrib
 # uuid: attrib
 # --

csharp-mode/class

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
-#contributor : Alejandro Espinoza Esparza <[email protected]>
-#name : class ... { ... }
+# contributor: Alejandro Espinoza Esparza <[email protected]>
+# name: class ... { ... }
 # key: class
 # uuid: class
 # --

csharp-mode/comment

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
-#contributor : Alejandro Espinoza Esparza <[email protected]>
-#name : /// <summary> ... </summary>
+# contributor: Alejandro Espinoza Esparza <[email protected]>
+# name: /// <summary> ... </summary>
 # key: comment
 # uuid: comment
 # --