Merge pull request #82 from Jalle19/fix-role-attributes

Use correct "role" attribute values to prevent HTML validation errors
Merge pull request #83 from Jalle19/fix-carousel-indicators

Render close tags for the carousel indicator elements
add role="presentation" to menu headers
Merge pull request #86 from Jalle19/use-role-presentation

add role="presentation" to menu headers (continuation of #82)
Merge pull request #81 from Jalle19/tbactiveform-inline-errors

added "inlineErrors" option to TbActiveForm (thanks @dolpox)
Merge pull request #80 from Jalle19/fix-modal-close-button

add type="button" to all close buttons
Change to use PSR1-2
Merge branch 'master' into nsm