New Feature question_attribute 'em_validation_q': "Boolean equation to validate the whole question"
New Feature question_attribute 'em_validation_q_tip': "Tip to show user describing the Question Validation Equation"
New Feature question_attribute 'em_validation_sq': "Boolean equation to validate each sub-question."
New Feature question_attribute 'em_validation_sq_tip': "Tip to show user describing the Sub-Question Validation Equation."
New Feature EM reserved word "this" which refers the the current sgqa code
Dev Tor each of the new validations, EM replaces "this" in the equation with the appropriate variables
Dev This is meant to support extensions to EM functions, such as calling a service to validate an entered domain, address, credit card, diagnostic code, etc. for each entry
Dev Here is a sample validation equation (without the curly braces): {is_valid_cc(this)}

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey_yii@12143 b72ed6b6-b9f8-46b5-92b4-906544132732