restructuring classic snippets dir to conform to new parenting specs

snippets/ruby-mode/control structure/forin

@@ -0,0 +1,6 @@
+#name : for ... in ...; ... end
+#group : control structure
+# --
+for ${1:element} in ${2:collection}
+  $0
+end

snippets/ruby-mode/control structure/if

@@ -0,0 +1,6 @@
+#name : if ... end
+#group : control structure
+# --
+if ${1:condition}
+  $0
+end

snippets/ruby-mode/control structure/ife

@@ -0,0 +1,8 @@
+#name : if ... else ... end
+#group : control structure
+# --
+if ${1:condition}
+  $2
+else
+  $3
+end

snippets/ruby-mode/control structure/tim

@@ -0,0 +1,4 @@
+#name : times { |n| ... }
+#group : control structure
+# --
+times { |${n}| $0 }

snippets/ruby-mode/control structure/until

@@ -0,0 +1,6 @@
+#name : until ... end
+#group: control structure
+# --
+until ${condition}
+  $0
+end

snippets/ruby-mode/control structure/upt

@@ -0,0 +1,6 @@
+#name : upto(...) { |n| ... }
+#group : control structure
+# --
+upto(${n}) { |${i}|
+  $0
+}

snippets/ruby-mode/control structure/when

@@ -0,0 +1,6 @@
+#name : when ... end
+#group : control structure
+# --
+when ${condition}
+  $0
+end

snippets/ruby-mode/control structure/while

@@ -0,0 +1,6 @@
+#name : while ... end
+#group : control structure
+# --
+while ${condition}
+  $0
+end