Install Abolish plugin

Primarily so I can convert from camelcase to snakecase and v.v.

Signed-off-by: Eugie Limpin <eugiellimpin@gmail.com>
ctrlp: don't ignore test directories

Signed-off-by: Eugie Limpin <eugiellimpin@gmail.com>
Add local indent settings for gsp and groovy files

Signed-off-by: Eugie Limpin <eugiellimpin@gmail.com>
Update dm (delete merged) git command

Exclude master, maint, devel and staging branches when deleting already
merged branches.

Signed-off-by: Eugie Limpin <eugiellimpin@gmail.com>