task action related fixes - counts / stats
filter / disable certain task actions for soft credit search
CRM-13973-qa : don't skip the base transaction entry
CRM-13973-qa : correct default price set fields selection display on fee selection screen
CRM-13973-qa : added useful comment block
Merge pull request #2676 from pratik-joshi/CRM-13973-qa

Crm 13973 qa : fixes for points mentioned in #comment-58325
Merge pull request #2674 from deepak-srivastava/CRM-12467-soft-credit-search

CRM-12467 - soft credit search - task action related fixes