set proper blockly level types when seeding
remove superfluous dialog hiding
Merge pull request #867 from code-dot-org/fix_blockly_level_types

set proper blockly level types when seeding
Merge pull request #868 from code-dot-org/hideDialog

remove superfluous dialog hiding
enable fast_loc by default for unit tests in development environment
do not allow deleting sections with students
Merge pull request #869 from code-dot-org/no-deleting-sections-with-students

do not allow deleting sections with students
Merge pull request #870 from code-dot-org/finished

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