Remove empty quotes when category is empty.

When category = ""

Should print "category: " to file, current behaviour prints "category:
\"\"".

Latter creates an actual category, with a blank title. All posts created
since this update, without a category explicitly written in `rake`
command, or post directly edited, will belong to this category.
Simpler logic to category patch

Replace single line with cleaner, more readable Ruby.
Merge pull request #198 from parnmatt/patch-1

Remove empty quotes when category is empty.
Added the bat files.
Changed the name '_rubycmd' to '_cmd'.
Added the git path to the _cmd file.
Changed the index and _config files.
Added the test post.
Deleted the categories page.
Added the test post.
Saved the index page.
Install the theme.
Added the syntax highlight block.
Added the syntax highlight block.
Added the syntax highlight block.
Added the python paths to the batch files.
Added the syntax style sheets.
Added line option to syntax highlight block.
Added line option to syntax highlight block.
Updated the contact siderbar file and deleted the pygments style sheet file.