bootstrap automatically the remote we are working on if needed
Extract a Bootstrapper class.
Unit test for Autobootsrap when using -I option

Auto bootstap 'tfs/default' for first remote created
Unit test for Autobootsrap when using -I option on a branch

Auto bootstap 'tfs/default' for first remote created
Auto bootstap 'tfs/branch' for second remote created

Extand IntegrationHelper to be able to create a more complexe test case...
Unit test for Autobootsrap when using -I option on a merge commit

Extand IntegrationHelper to be able to create a more complexe test case...
remove /bin/sh option added
Auto selection of the tfs remote is now the default behavior
AutoSelect remote only for command that need it
When no remote found, return DefaultRepositoryId `default`
refactoring (same behavior)
Adjustements on comments and messages
Unit Tests for Auto select remote
Unshelve: remove a similar tfs remote chooser
Update TfsWriter with auto select remote
Update Auto-bootstrap unit tests because `-I` option is no more needed...
Adapt Shelve unit tests
return the default remote ONLY when that's the only one
Adjust Unit tests
Merge pull request #562 from pmiossec/autoselect_remote_by_default

Set autoselect remote the default behavior