Add the projectpages plugin.

This plugin generates a nice and friendly project list with a slider.  It also
provides a framework for generating equally pretty project pages.

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
save all meta data to ensure proper rebuilds

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
flake8

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
add bug tracker link

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
bug tracker goes last

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
previewimage is sometimes necessary

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
add sorting, json, website vs downloads

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Merge pull request #59 from getnikola/projectpages

Add the projectpages plugin.