Merge pull request #1 from BioMike/master

Solo mining with Guldencoin-Qt client
Merge pull request #2 from BioMike/master

Small fixes and exchanges page
Update top bar
Merge branch 'master' of github.com:nlgcoin/docs.guldencoin.com
Merge pull request #3 from BioMike/master

Initial GPU mining list
Update mining.md
Update mining.md

s/Bitcoin/Guldencoin
temp attribution link. (will be added to footer lateron)
Disable letter spacing
Merge branch 'master' of github.com:nlgcoin/docs.guldencoin.com
Merge branch 'master' of https://github.com/BioMike/docs.guldencoin.com into BioMike-master

Conflicts:
	content/coin/mining.md
Merge branch 'BioMike-master'
Fix failed merge
Update seeds list
table headings italic>bold
Update /content/services/cdn.md
Fix headings
cdn.md: change contents list
Fix heading
Add guldensign.md
Change html shortcode template
Add usage information to guldensign.md