Fix an occasional UnifiedDisplayView exception

Value could be used uninitialized. Pull request to third party class : https://github.com/Perspx/PXListView/pull/32
Makes footnotes reading easier.

- don’t change anchors at same page into absolute links
- read links to same page in the same web view
Fix danish help files

Fix a file not found error and standardise styling
Merge pull request #317 from barijaona/bugfixes

Bugfixes
Move to main thread interface updates after refresh

Fix some crashes, especially frequent in 10.10
When a tab is closed, reset to blank its webview

Prevent sound of some Flash videos from continuing playing
Merge pull request #321 from barijaona/bugfixes

Bugfixes
Add new monochrome status bar icons, consistent with Apple's OSX Human Interface Guidelines. Courtesy of Font Awesome by Dave Gandy - http://fontawesome.io/, used under a SIL Open Source Font (OSF) 1.1 license
Remove old status bar icons and references to them
fix for dark menu bar in OS X 10.10

Set template to YES for the statusBarImages so they are rendered
correctly with the dark menu bar in OS X 10.10
added sparkle stats php script URLs for #322
added system specs checkbox for #322
wired up sparkle code for enabling sending system specs for #322
wired up NSButton for #322
added send system specs UI control for #322
Merge pull request #2 from josh64x2/Echelon9-fix/monochrome-status-bar-icon

fix for dark menu bar in OS X 10.10
Merge pull request #323 from Echelon9/fix/monochrome-status-bar-icon

Add monochrome status bar icons (read and unread)
Built and tested OK on 32bit Snow Leopard, and 64bit Yosemite
Generated internationalised versions of GeneralPreferences.nib
Vertical & horizontal layout : fix panes’ min & max dimensions

Correct the minimum and maximum dimensions for the NSSplitView panes respectively used for the article list and the article view.
Vertical layout : allow summary to expand more.

Only the summary column (used in vertical layout) should autoresize (to fit the available space)