bootstrap.sh: Make execution work from repository root, too.
bootstrap.sh: Make execution work from repository root, too.

So now it ca be run through both:
- ( cd sampleproject && ./bootstrap.sh )
- ./sampleproject/bootstrap.sh

asyncee/django-easy-select2,asyncee/django-easy-select2,asyncee/django-easy-select2,asyncee/django-easy-select2