Update erlydtl to latest

this one solves creating of *.dtl.erl files in /src/boss/
Merge branch 'master' of github.com:ChicagoBoss/ChicagoBoss
Add vim swapfiles to .gitignore
add test to .PHONY so it runs every time
ErlyDTL compile_dir fix and remove try-catch.

Also add a vim modeline to rebar.config