Remove accidentally checked in files
EOL at EOF
Increase tab close button padding + change hovered color
Use SVG icon for close button in 'Search' and 'Go To Line' dialogs
Fix earlier undiscovered problems with 'Go To Line' dialog

* Font wasn't hard-set to Roboto
* Bottom-left border radius wasn't set to match 'Search'
* Outline was removed for :active, but not :focus
* Cursor wasn't set to 'pointer'
Revert earlier change