WIP: extending BB organization serializers
update org serializer code to extend base BB classes and remove some field definitions in serializer
Bump BB version
Default value for story
Merge remote-tracking branch 'upstream/release/bb-development' into feature/126-iban-validation

Conflicts:
	requirements/requirements.txt
Merge remote-tracking branch 'upstream/release/bb-development' into feature/126-iban-validation

Conflicts:
	requirements/requirements.txt
Merge pull request #1127 from onepercentclub/feature/126-iban-validation

CLUB-126 IBAN validation
Move hbs templates in separate files
Re-enable modal popup in monthly donation setup
Change some template vars
Merge pull request #1132 from gannetson/feature/sharing

Change how project/tasks are rendered for escaped fragements (google/facebook)
added missing links and elements footer
Merge pull request #1134 from onepercentclub/feature/CLUB-202

Feature/club 202
fix extending template for failed login
Copyright links

- added html and class for copyright links
text change
Merge pull request #1136 from onepercentclub/feature/165-failed-login

BOOK-165 failed login
Merge pull request #1129 from gannetson/feature/CLUB-152-basic-layout-to-story

Default value for story
Merge pull request #1133 from gannetson/feature/CLUB-183-fix-select-monthly-donation

Feature/club 183 fix select monthly donation
CLUB-177 move urls files to urls/ directory for consistency