Update the readme files with the latest released version 2.2.

Author: dpaukov

README.md

@@ -5,8 +5,8 @@
 combinatoricslib 2.3
 ====================
 
-Very simple java library to generate permutations, combinations and other combinatorial sequences for java 7.
-New version of the library for java 8 can be found [here](https://github.com/dpaukov/combinatoricslib3)
+Very simple java library to generate permutations, combinations and other combinatorial sequences for Java 7+.
+New version of the library for (Java 8) can be found [here](https://github.com/dpaukov/combinatoricslib3).
 
 1. [Simple combinations](#1-simple-combinations)
 2. [Combinations with repetitions (multicombination)](#2-combinations-with-repetitions)
@@ -19,6 +19,7 @@ New version of the library for java 8 can be found [here](https://github.com/dpa
 9. [Cartesian Product](#9-cartesian-product)
 10. [The latest release](#the-latest-release)
 
+
 You can use the following table to select a generator:
 
 | Description                      | Is Order Important? | Is Repetition Allowed? | CombinatoricsFactory Method  |
@@ -359,14 +360,14 @@ The cartesian product will be:
 
 ### The latest release
 
-The latest release of the library is available through The Maven Central Repository [here](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22com.googlecode.combinatoricslib%22%20AND%20a%3A%22combinatoricslib%22)
+The latest release of the library is available through The Maven Central Repository [here](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22com.googlecode.combinatoricslib%22%20AND%20a%3A%22combinatoricslib%22).
 Include the following section into your `pom.xml` file.
 
 ```xml
 <dependency>
   <groupId>com.googlecode.combinatoricslib</groupId>
   <artifactId>combinatoricslib</artifactId>
-  <version>2.1</version>
+  <version>2.2</version>
   <scope>compile</scope>
 </dependency>
 ```

src/main/resources/META-INF/README.txt

@@ -2,7 +2,10 @@
              CombinatoricsLib - release notes
                    by Dmytro Paukov
 
+CombinatoricsLib 2.3 (2018)
 
+
+-----------------------------------------------------------------
 CombinatoricsLib 2.2 (May 2018)
 - Added a method for calculating factorials using BigDecimal (Issue #10).
 - Added cartesian product generator.