ticket:10309: Changed performance regression test script not depending on ICU installation. The test programs are now invoked with a proper environment for each ICU copy. Also clean up some test scripts.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34049 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10309: Fixed LD_LIBRARY_PATH issue (missing '/')

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34051 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10309: Fixed LD_LIBRARY_PATH issue (missing '/') - some more changes.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34052 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8449: Add Um al-Qura Hijri Calendar Support

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34053 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8449 fix broken build from earlier checkin.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34054 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10310 Improve C++11 handling in configure script

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34055 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10310 C++11 checking in configure script.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34057 251d0590-4201-4cf1-90de-194747b24ca1