Update build_from_sources.adoc

Fixed list continuation.
Fixed broken horizontal rule.

src/docs/asciidoc/jme3/build_from_sources.adoc

@@ -8,9 +8,10 @@
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]
 
 
-We recommend downloading the link:http://hub.jmonkeyengine.org/downloads[jMonkeyEngine SDK] - but of course you can also build the jMonkeyEngine yourself from the sources. In this case, you need the link:http://subversion.tigris.org[Subversion] file version system installed (svn).
+We recommend downloading the link:https://github.com/jMonkeyEngine/sdk/releases/tag/stable[jMonkeyEngine SDK] - but of course you can also build the jMonkeyEngine yourself from the sources. In this case, you need the link:http://subversion.tigris.org[Subversion] file version system installed (svn).
 
-.  *Checkout:* Checkout the Subversion repository. 
+.  *Checkout:* Checkout the Subversion repository.
++
 [source]
 ----
 svn checkout http://jmonkeyengine.googlecode.com/svn/branches/3.0final/engine jme3
@@ -32,6 +33,7 @@ svn checkout http://jmonkeyengine.googlecode.com/svn/branches/3.0final/engine jm
 
 
 For a detailed description of the created jar files see <<jme3/jme3_source_structure#structure_of_jmonkeyengine3_jars,this list>>.
+
 '''
 
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