Preparing dist of 4.0

- Update version to 4.0.0-SNAPSHOT
- Clean the README file
- Disable the prototype Python tools and associated doc

README.md

@@ -1,12 +1,6 @@
 EpubCheck
 =========
 
-> *`master` branch status: epubcheck 4.0 pre-release in alpha stage* [![Build Status](https://travis-ci.org/IDPF/epubcheck.svg?branch=master)](https://travis-ci.org/IDPF/epubcheck/)
->
-> *See bottom of the page for building or translating the 4.0 pre-release.*
-
-----
-
 EpubCheck is a tool to validate EPUB files. It can detect many
 types of errors in EPUB. OCF container structure, OPF and OPS mark-up,
 and internal reference consistency are checked. EpubCheck can be run
@@ -17,7 +11,7 @@ as a standalone command-line tool or used as a Java library.
 
 Check the [release page](https://github.com/IDPF/epubcheck/releases) to get the latest distribution.
 
-[EpubCheck 3.0.1](https://github.com/IDPF/epubcheck/releases/tag/v3.0.1) is the latest recommended version to validate both EPUB 2 and 3 files.
+[EpubCheck 4.0](https://github.com/IDPF/epubcheck/releases/tag/v4.0) is the latest recommended version to validate both EPUB 2 and 3 files.
 
 
 ## Documentation
@@ -56,9 +50,9 @@ EpubCheck is made available under the terms of the [New BSD License](http://open
 
 ----
 
-## Building the 4.0 pre-release
+## Building EpubCheck
 
-To build epubcheck from the sources you need Java Development Kit (JDK) 1.6 or above and [Apache Maven](http://maven.apache.org/) 2.3 or above installed.
+To build epubcheck from the sources you need Java Development Kit (JDK) 1.7 or above and [Apache Maven](http://maven.apache.org/) 2.3 or above installed.
 On Windows, you should build in a git bash shell (see http://github.com help)
 
 You will also need Python to be able to run the BookReporter and related tools.
@@ -72,9 +66,9 @@ $ mvn install
 Will copy `.*jar` files and packages to `target/` folder...
 
 
-## Translating the 4.0 pre-release
+## Translating EpubCjeck
 
-epubcheck 4.0 now comes with *i18n* support. Feel free to translate the Java messsages file to your language and then open a Pull Request here.
+EpubCheck 4.0 now comes with *i18n* support. Feel free to translate the Java messsages file to your language and then open a Pull Request here.
 
 Translations so far:
 * `en` - English

pom.xml

@@ -13,7 +13,7 @@
 
     <groupId>org.idpf</groupId>
     <artifactId>epubcheck</artifactId>
-    <version>4.0.0-alpha12-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 

src/main/assembly/dist.xml

@@ -29,22 +29,22 @@
                 <include>*.txt</include>
             </includes>
         </fileSet>
-        <fileSet>
+        <!--<fileSet>
             <outputDirectory>docs</outputDirectory>
             <directory>docs</directory>
             <includes>
                 <include>*.docx</include>
                 <include>*.pdf</include>
             </includes>
-        </fileSet>
-        <fileSet>
+        </fileSet>-->
+        <!--<fileSet>
             <outputDirectory></outputDirectory>
             <directory>target</directory>
             <includes>
                 <include>*.py</include>
                 <include>*.pdf</include>
             </includes>
-        </fileSet>
+        </fileSet>-->
     </fileSets>
     <dependencySets>
         <dependencySet>