Implements "Improve the way FOP handles fonts notably for currency symbols" https://issues.apache.org/jira/browse/OFBIZ-5917

Adds
<auto-detect/>
in the fonts section of our fop.xconf

Adds the Google NotoSans font which is Apache licensed
* http://www.google.com/fonts/specimen/Noto+Sans
* https://www.google.com/get/noto/#/

Uses NotoSans as the default FOP font. For that puts the NotoSans font 4 files in framework/resources/fonts and add <directory>framework/resources/fonts/NotoSansFonts</directory> in fop.xconf
Renders ₹ in content/control/fonts.pdf as we do for €. Other symbols could be added later when needed, backed by Google NotoSans font...
Renders the NotoSans content/control/fonts.pdf  as we do for other main fonts

Adds the rupee symbol (₹) to antisamy-esapi.xml file like we have the euro symbol (€)

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1647782 13f79535-47bb-0310-9956-ffa450edef68