Added even more filetypes

Also gave some unused icons some love
Using a protocol-independent absolute path for google fonts

Using a protocol-independent url is better, especially when the website use https to transfer the webpage, just let the browser to decide which protocol it will prefer to use.
reference : http://www.paulirish.com/2010/the-protocol-relative-url/
Changing parent specificity

Changing the .parent CSS selector to only apply to "Parent Directory"
folder.
Improved parent specificity

Yet a better way of selecting the "Parent Directory" folder
Add meta viewport
Merge pull request #23 from bastienwirtz/viewport

Add meta viewport
Merge pull request #22 from yaclive/master

Changing parent specificity
Merge pull request #21 from PeterDaveHello/patch-1

Using a protocol-independent absolute path for google fonts
Merge pull request #17 from PHR16384/master

Added even more filetypes
Update htaccess.txt

Added `+IconsAreLinks` as per https://github.com/AdamWhitcroft/Apaxy/issues/20