[NEXUS-7336] Replace status security xls with groovy
[NEXUS-7336] Add license headers
Tidy
Tidy
Remove inexistent privilege
Merge remote-tracking branch 'origin/master' into NEXUS-7336-osecurity-step-1
Makes modals reflect recommendations from 8shapes
Changes border focus color of toolbar buttons and form fields to cornflower
Adds focus/active/hover/visited states for links
Fixes bugs with focus states

+ Makes focus state override the error state for form fields
+ Excludes tabs from link state treatment
Adds plain button style to style guide, toolbar btns => 'default'
Lightens the border of 'plain' buttons
Merge pull request #857 from sonatype/7640_modals

Makes modals reflect recommendations from 8shapes
Merges 7674_toolbar into master
Lightens the hover state of links, changes hue from red to blue
Merge pull request #858 from sonatype/7637_focus_states
Removes invert behavior for default button glyphs, too distracting
Add panel title
[NEXUS-7581] CMA HTTP Client factory
[NEXUS-7581] Fix RawSourceConfigContribution