[feature] git_helper & cli testmerge cmd
[feature] adding missing util fxs for git_helper
[feature] testmerge outputs git status
[feature] optional base_fork arg for cli, output changeset list
[refactors] git_helper a bit...less bad. CLI prints list of changes
[tests][bugfix] fix fail condition for GitHelper#clean_reset
[feature] cli sets SINGULARITY_DIFF_LIST
[refactor] dsl_defaults -> dsl_event_store
[refactor] updating dsl_event_store spec
[feature] dsl_changeset module & spec
[feature][refactor] app/cli makes use of dsl_changeset
[refactor] moving all dsl components into dsl subdir

Updated specs, added a components index to easily require DSL pieces
Merge pull request #10 from behance/test-merge

workflow feature(s): testmerge command, git_helper