
Add a method to generate password with 1: use of both upper- and lower-case letters (case sensitivity) 2: inclusion of one or more numerical digits 3: inclusion of special characters, e.g. @, #, $ etc. 4: at least 15 characters in length Closes-Bug: 1448217 Change-Id: I86bf157f1bdb44f5fc579dc5317784fe31df8521