VOL-45: Update Smarty {ts} functions to specify domain.

Achieved en masse using these shell commands:
find . -not \( -path ./.git \) -type f -exec sed -i "s/{ts /{ts domain='org.civicrm.volunteer' /" '{}' ';'
find . -not \( -path ./.git \) -type f -exec sed -i "s/{ts}/{ts domain='org.civicrm.volunteer'}/" '{}' ';'
VOL-45: Update PHP ts() functions to specify domain.

Achieved en masse using these find/replace patterns in NetBeans (note each pattern begins with a single space):
find:     ts\('([^']+)', array\(([^)]+)\)\)
replace:  ts('$1', array($2, 'domain' => 'org.civicrm.volunteer'))
VOL-45: Update PHP ts() functions to specify domain.

Achieved en masse using these find/replace patterns in NetBeans (note each pattern begins with a single space):
find:     ts\('([^']+)'\)
replace:  ts('$1', array('domain' => 'org.civicrm.volunteer'))
Merge pull request #189 from GinkgoFJG/VOL-45-4.4.x-PHP-and-smarty

VOL-45 for 4.4.x - PHP and Smarty