Use php version_compare function instead of our own
code cleanup
worked on CRM-12407, ajax events are fired for each of the multiple of
data instance simultaneously this causes race condition and casuses
random breaks, hence changing ajax request to use async mode.
added test for reminder for the condition(CRM-12401)
Merge pull request #540 from yashodha/CRM-12401

added test for reminder for the condition(CRM-12401)
Merge pull request #531 from colemanw/versionCompare

Use php version_compare function instead of our own
Merge pull request #539 from kurund/CRM-12407

CRM-12407
CRM-12427 Fixes and patch
Merge pull request #547 from deepak-srivastava/ninja

CRM-12427 Fixes and patch