Update documentation

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@653014 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html b/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html
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+++ b/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html
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+<html><head></head><body></body></html>
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