converting Date and Reason Eligible for ART to a data definition
converting Date ART Started to a data definition
moved snapshot tests to snapshot package
moved some util methods out of rule utils into report utils
REPORTS-108 - added Transfer Status data definition
additional fixes with util method switcheroo
REPORTS-141 - updated eligibility date column and added unit tests
added failsafe to reason eligible column
REPORTS-138 - added first encounter at facility definition and evaluator
REPORTS-138, REPORTS-108, etc. - updated columns, sorting and more
minor update to sorting
amrsreports: formatting the string and merging date ranges.
amrsreports: adding more concepts for PCP.
Merge pull request #59 from nribeka/REPORTS-142

amrsreports: adding more concepts for PCP.
Merge pull request #58 from nribeka/REPORTS-139

amrsreports: formatting the string and merging date ranges.
Merge branch 'master' of github.com:AMPATH/openmrs-module-amrsreports
REPORTS-145 - Changed to using HIVCareEnrollment for first ARV date
REPORTS-145 - removed unused snapshot class