fix(amd): Added coverage tests and fixed minor bugs.
chore(cache): Added coverage tests
chore(di): Added coverage tests
chore(test): Added blacklist and whitelist to make coverage test results more meaningful.
chore(router): Added coverage tests
chore(core): Added coverage tests for context service
chore(aalborg_theme): remove IE 8 support

Fixes  #7707
fix(CSS): adds margin between a file's text and image

Fixes #7712
chore(core): Added coverage tests for external files service
chore(cache): Added coverage tests for LRU cache
chore(simpletest): Removed old static simpletest library in favor of newer composer version.
Merge pull request #7713 from PerJensen/file_css

fix(CSS): adds margin between a file's text and image
Merge pull request #7718 from Srokap/simpletest_composer

chore(simpletest): Removed old static simpletest library in favor of new...
Merge pull request #7708 from Srokap/coverage

Improves test coverage
Merge pull request #7710 from PerJensen/remove_ie8_support

chore(aalborg_theme): remove IE 8 support