'dancer' script was left behind by dzil

Fixes #1066
ChangeStats::Git now track 'devel', not 'master'

Fixes #1065
insert empty line for dzil's
dancer has moved
POD shuffling of 'dancer'
v1.3129

 [BUG FIXES]
 - Dzil conversion left 'dancer' script behind. (GH#1066)

 [STATISTICS]
 - code churn: 17 files changed, 1425 insertions(+), 1432 deletions(-)