[NO ISSUE][LIC] Fix regression on missing license

Change-Id: I8ce9e8f790857df5273d87de9c6b7e6e9a060749
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2595
Reviewed-by: Michael Blow <mblow@apache.org>
Tested-by: Michael Blow <mblow@apache.org>
diff --git a/asterixdb/src/main/licenses/content/www.slf4j.org_license.html.txt b/asterixdb/src/main/licenses/content/www.slf4j.org_license.html.txt
new file mode 100644
index 0000000..05ee024
--- /dev/null
+++ b/asterixdb/src/main/licenses/content/www.slf4j.org_license.html.txt
@@ -0,0 +1,21 @@
+ Copyright (c) 2004-2013 QOS.ch
+ All rights reserved.
+
+ Permission is hereby granted, free  of charge, to any person obtaining
+ a  copy  of this  software  and  associated  documentation files  (the
+ "Software"), to  deal in  the Software without  restriction, including
+ without limitation  the rights to  use, copy, modify,  merge, publish,
+ distribute,  sublicense, and/or sell  copies of  the Software,  and to
+ permit persons to whom the Software  is furnished to do so, subject to
+ the following conditions:
+
+ The  above  copyright  notice  and  this permission  notice  shall  be
+ included in all copies or substantial portions of the Software.
+
+ THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
+ EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
+ MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.