Fix for cellcounter/cellcounter#172

Applies CSS class 'abnormal_count' to <td> elements of the results table, and then sets CSS color value to red.
Additional change to ensure abnormal count is in red in both results table and in keyboard count. Brackets currently retained.
Merge pull request #213 from jvc26/cellcounter/cellcounter#172

Fix for cellcounter/cellcounter#172