Change color processing, replace jxl with poi and support .xlsx,
restrict upload size
Add external jars
Move jar to /WebContent/WEB-INF/lib/, and update .gitignore
Signed-off-by: unknown <swei019@SWEI01971.us.nam.ad.pwcinternal.com>
Merge with comen-master, and fix issues of FileUtils.readFile()
Merge branch 'comen-master'