We often want to export a table as an excel sheet. The system renders the
html and it seems like a waste of time to write it to the file system to
use the reader. This allows us to render the html and then just pass it to
a reader
Closes#1136
* When <br> appears in a table cell, set the cell to wrap.
If the cell is not set to wrap, it appears as a single line when first
displayed in Excel, although editing the cell will cause Excel to wrap
it.
* fix whitespace
Upstream has a coding standard that includes whitespace
* Add Unit tests for cell wrapping
* Update changelog
* Extract character set, so we can convert to UTF-8 if required
* Set column width and row height when defined on tr/td
* Parse align and valign on td
* Specify number format of cell via html attribute
* Formatting of b, strong, i and em tags
* Inserting image in cell when using img tag in html
* Add applying inline styles: border, fonts, alignment, dimensions
* Add tests for applying inline styles
In case we generate Spreadsheet from html file and the code
in file have text color in css "color:#FF00FF" it will showing
as black color because it will render like rgb content with } "FF00FF}"
So, we fix it by adding missing bracket "{".
Closes#831
Nathanael Noblet