improved XSSFSheet.shiftRows: 1. properly update cell references of the shifted cells (bugzilla 4663) 2. When shifting rows, update formulas on that sheet to point to the new location of those rows (bugzilla 46536) 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@742126 13f79535-47bb-0310-9956-ffa450edef68
7 files changed