Keep snippet vars definitions in a single format across all snippets and documentation.

The format is:

# var-name: value

Previously snippets used a mixture of the following formatting:

#var-name: value
#var-name : value
# var-name: value
# var-name : value

snippets/ruby-mode/definitions/Comp

@@ -1,4 +1,4 @@
-#name : include Comparable; def <=> ... end
+# name: include Comparable; def <=> ... end
 # key: Comp
 # --
 include Comparable

snippets/ruby-mode/definitions/am

@@ -1,4 +1,4 @@
-#name : alias_method new, old
+# name: alias_method new, old
 # key: am
 # --
 alias_method :${new_name}, :${old_name}

snippets/ruby-mode/definitions/cla

@@ -1,4 +1,4 @@
-#name : class << self ... end
+# name: class << self ... end
 # key: cla
 # --
 class << ${self}

snippets/ruby-mode/definitions/cls

@@ -1,5 +1,5 @@
-#name : class ... end
-#contributor : hitesh <hitesh.jasani@gmail.com>
+# name: class ... end
+# contributor: hitesh <hitesh.jasani@gmail.com>
 # key: cls
 # --
 class ${1:`(let ((fn (capitalize (file-name-nondirectory

snippets/ruby-mode/definitions/mm

@@ -1,4 +1,4 @@
-#name : def method_missing ... end
+# name: def method_missing ... end
 # key: mm
 # --
 def method_missing(method, *args)

snippets/ruby-mode/definitions/r

@@ -1,4 +1,4 @@
-#name : attr_reader ...
+# name: attr_reader ...
 # key: r
 # --
 attr_reader :

snippets/ruby-mode/definitions/rw

@@ -1,4 +1,4 @@
-#name : attr_accessor ...
+# name: attr_accessor ...
 # key: rw
 # --
 attr_accessor :

snippets/ruby-mode/definitions/w

@@ -1,4 +1,4 @@
-#name : attr_writer ...
+# name: attr_writer ...
 # key: w
 # --
 attr_writer :