change the way tags are stripped
added tests for filters and change filters to output unicode
Merge branch 'develop' into feature/issue-align-image

Conflicts:
	oneplus/templatetags/oneplus_extras.py
factor methods and add empty test, pep8 fixes
refactor filter to body_to_div, change test accordingly
allow align to return value if no soup
Merge pull request #134 from praekelt/feature/issue-align-image

Feature/issue align image