created style for suggestions

new style "suggestion" created in styles.xml for use on the
SuggestionfForImprovement activity
Revert "created style for suggestions"

This reverts commit 6b223c74998ceae992e33cf5ec59cbdec76c0aba.
created style for suggestions

new style in styles.xml for checkbox suggestions on
SuggestionsForImprovement Activity
- the style is applied to the checkbox view in suggestion_info.xml