fix path detection of location
add .dancer_app file to simplify the dancer app detection
Add test for lookup location

The test look for a dir with lib and bin or a dir with .dancer_app
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change autoprereqs, fix test, add missing directory
add dummy apps for testing purpose
include dotfiles for the tests
use .dancer instead of .dancer_app for root of dancer app
reflect changes pr 140
Merge pull request #140 from celogeek/fix_config_files_lookup

Fix config files lookup