update doc

Author: xdegenne

common/download.html

@@ -174,7 +174,7 @@ <h2>Community edition</h2>
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     <a href="https://www.portaildulibre.fr/nexus/repository/opensource-releases/alien4cloud/alien4cloud-premium-dist/3.0.0-M8/alien4cloud-premium-dist-3.0.0-M8-dist.tar.gz"><i class="fa fa-download"></i> Alien 4 Cloud latest sprint milestone (3.0.0-M8)</a>
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-    <a href="https://www.portaildulibre.fr/nexus/#browse/search=keyword%3Dalien4cloud:opensource-snapshots%3Aalien4cloud%3Aalien4cloud-premium-dist%3A3.0.0-SNAPSHOT"><i class="fa fa-download"></i> Alien 4 Cloud latest build</a>
+    <a href="https://www.portaildulibre.fr/nexus/#browse/search=keyword%3Dalien4cloud:opensource-snapshots%3Aalien4cloud%3Aalien4cloud-premium-dist%3A3.0.0-SNAPSHOT" target="_blank"><i class="fa fa-download"></i> Alien 4 Cloud latest build</a>
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     <a href="https://www.portaildulibre.fr/nexus/repository/opensource-releases/alien4cloud/alien4cloud-premium-dist/2.2.0/alien4cloud-premium-dist-2.2.0-dist.tar.gz"><i class="fa fa-download"></i>Alien 4 Cloud latest stable (2.2.0)</a>
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