:lipstick: Updates find and replace preview pane
Adds support to highlight-selected package
UI styles are overriding syntax styles

I wanted to use the Spacegray Eighties UI with a syntax from another scheme, except the Spacegray UI theme is overriding the background colors of the editor and line numbers.
Merge pull request #11 from jonrohan/patch-1

UI styles are overriding syntax styles
Merge pull request #8 from am/find-replace-preview-panel

Updates find and replace preview pane
Merge pull request #10 from am/highlight-selected

Adds support to highlight-selected package
minor readme update, fixed syntax theme correlation
Merge branch 'master' of https://github.com/emilyemorehouse/spacegray-eighties-ui
Prepare 0.5.0 release
Prepare 0.6.0 release
readme update
Prepare 0.7.0 release