Don't use GITHUB_REPOSITORY as directory

Set file-syncer to run from spark-template (#46)

https://github.com/github/workbench-sdk/pull/279 removes our lookup on
the `GITHUB_REPOSITORY` (which plays badly when export repos) so we need
to be strict about where we normally start the file syncer running.

Fix str_replace_editor duplicate export filter

v0.0.21

Update README.md (#40)

v0.0.20

Pickup reverted telemetry changes in the sdk.

v0.0.19

Update README.md (#40)

More ignores in the file listing

github/workbench-sdk#265

v0.0.17

fix log chown (#37)

Ignore the SHA file, allow component edits to surface

v0.0.16

fix log chown (#37)

Only list modified files since Spark creation

v0.0.15

fix log chown (#37)

0.0.14

Revert "add supervisord to keep processes alive" (#32)

Reverts github/spark-template#30

v0.0.13

Contains github/workbench-sdk#247