image files with different extensions should generate thumbnails with distinct names (TNL-532)
Lazy loading of CourseMode model's internationalization.
gracefully fail when parsing xml with non-compatible string (TNL-347)
Doc for paver quality switches.
Clarify swtiches on paver tasks.
Merge pull request #5599 from edx/adam/fix-matlab-invalid-char

gracefully fail when parsing xml with non-compatible string (TNL-347)
Merge pull request #5471 from edx/adam/thumbnail-extentions

image files with different extensions should generate thumbnails with di...
Do not save an xblock after rendering the Studio view.

TNL-399

Content and settings are no longer saved when Studio view is rendered.
Clicking the magnifying glass should perform search

In forum search is only working when user enter some
text in the search textfield and press the Enter
button. It should also work when we click on
magnifying glass.

TNL-526
Remove references to /tmp in tests

Including:

* Change path for mongo_metadata_inheritance to use unique temp dir
* Update SASS_CACHE_PATH with thread-safe temp dir
* Remove hard coded directory reference for grades download tests
* Remove hard coded directory reference for direct mongo test
Merge pull request #5566 from Kelketek/lazy_coursemode_translation

Lazy loading of CourseMode model's internationalization.
Merge pull request #5589 from edx/christina/tnl-399-remove-save

Do not save an xblock after rendering the Studio view.
Merge pull request #5597 from edx/benp/doc-paver-changes

Doc for paver quality switches.
Merge pull request #5562 from mlkwaqas/waqas/tnl526-search-magnify-glass-not-working

Clicking the magnifying glass should perform search
Merge pull request #5609 from edx/zoldak/remove-tmp-references

Remove references to /tmp in tests
Fix sychronization issues in LTI test
Better verification for troubleshooting LTI test failures
Dismiss any lingering alerts after lettuce scenarios
Clarify Max Attempts

Add text to clarify relationship between Max Attempts setting
course-wide vs individual problems
Merge pull request #5607 from edx/carol/docs/DOC-1054

Clarify Max Attempts
Merge pull request #5608 from edx/zoldak/lti-test-fixes

Fix sychronization issues in LTI lettuce test
add Solano CI.