doc for jquery.memoize added, doc for jquery.inherit fixed

Author: dfilatov

src/jquery.inherit/readme.md

@@ -3,6 +3,10 @@ jQuery inherit plugin
 Plugin provides "class" and inheritance implementation.
 It brings some syntax sugar for "class" declarations, constructors, "super" calls and static members.
 
+Usage
+-----
+    var MyClass = $.inherit([myBaseClass], props, [staticProps]);
+
 Example
 -------
 ```javascript

src/jquery.memoize/readme.md

@@ -0,0 +1,23 @@
+jQuery memoize plugin
+=====================
+Plugin provides memoization technique
+
+Usage
+-----
+    var memoizedFunction = $.memoize(originalFunction, [custom serializer]);
+
+Example
+-------
+```javascript
+// Simple example. Arguments are simple type (string, number, boolean)
+var originalFn = function(a, b, c) {
+        // do something complex with a, b and c
+        return result;
+    },
+    memoizedFn = $.memoize(originalFn);
+
+var first = memoizedFn(1, "2", true), // originalFn called
+    second = memoizedFn(1, "2", true); // originalFn not called
+
+console.log(first === second); // true
+```