Remove unnecessary jqplot css
Updated as per issue so that:

Myeloid:Erythroid ratio = (Neutrophil + Band Form + Myelo + ProMyelo + Eosinophil + Basophil + Monocytes) / Erythroid

Added asterisk-note regarding ME calculation
Merge pull request #207 from jvc26/cellcounter/cellcounter#204

cellcounter/cellcounter#204
Fix for cellcounter/cellcounter#194. Closes any open dialog boxes prior to opening new one.
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
Enhancement cellcounter/cellcounter#191

Cellcounter now stores an history of keypresses in an array, allowing ```Backspace``` key to undo the last keypress, whether it was normal or abnormal in cell type.
Update help text to include new role of ```Backspace``` key.
Remove whitespace line for easier readability
Merge pull request #212 from jvc26/cellcounter/cellcounter#194

Fix for cellcounter/cellcounter#194
Add robots.txt file, allow all bots
Merge pull request #218 from jvc26/robots.txt

Add robots.txt file, allow all bots
Prevent default backspace behaviour (i.e. navigate back)
Substantial JS refactoring and cleanup as per JSHint. Correcting of missing closures, semicolons, and re-declared variables.
Merge pull request #219 from jvc26/jshint-cleanup

Big JSHint based cleanup
Merge of master-JS changes into history feature branch
JSHint cleanup of dot notation references
Merge pull request #216 from jvc26/cellcounter/cellcounter#191

Enhancement cellcounter/cellcounter#191
Update Django to 1.5.5