Fixes to Issues #5, #12, #13

#5 = add missing GPK
#12 = Add check for 10.2, 10.1.1 to ant build files
#13 = modify to build at 10.2
Additional fix to Issue #13 on Linux

Changed ant script to find sdk on Linux
Additional, additional fix for #13

Didn't use ${user.home} env var
Issue #7, #13, #14

Primarily updates to 10.2 readme and minor fixes (#7, #14)
Refactor versions.xml script & fix 10.1.1 error
Minor fixes (to headings) and edits
Changes from review

Added: 1) Suggested changes from review, 2) add military tag to readme,
3) add ant output to show java version
Merge pull request #15 from csmoore/master

Milestone 10.2 Changes