Fix part of #110.

Fix #110 (;b and ;t don't respond to 'activate'. Behavior spec'd in
:help is unclear).

I've fixed the inverted ;b/;t behaviour (the bug), closed the ticket,
and added 'activate' support as a TODO.

common/content/buffer.js

@@ -1121,7 +1121,7 @@ function Buffer() //{{{
                 case liberator.NEW_TAB:
                 case liberator.NEW_BACKGROUND_TAB:
                     ctrlKey = true;
-                    shiftKey = (where == liberator.NEW_BACKGROUND_TAB);
+                    shiftKey = (where != liberator.NEW_BACKGROUND_TAB);
                     break;
                 case liberator.NEW_WINDOW:
                     shiftKey = true;

vimperator/TODO

@@ -33,6 +33,7 @@ FEATURES:
 9 adaptive timeout for auto-completions, :set completions can be updated more often than
   :open foo
 9 use the storage module for autocommands
+8 support 'activate' in buffer.followLink?
 8 add support for filename special characters such as %
 8 :redir and 'verbosefile'
 8 middleclick in content == p, and if command line is open, paste there the clipboard buffer

vimperator/locale/en-US/hints.txt

@@ -46,7 +46,7 @@ this hint mode. Then press [a]24[a] to copy the hint location.
 * [m]s[m] to save its destination
 * [m]o[m] to open its location in the current tab
 * [m]t[m] to open its location in a new tab
-* [m]b[m] like [m]t[m] but inverts the option whether the tab is activated
+* [m]b[m] to open its location in a new background tab
 * [m]O[m] to open its location in an [c]:open[c] query
 * [m]T[m] to open its location in a [c]:tabopen[c] query
 * [m]v[m] to view its destination source
@@ -57,6 +57,9 @@ this hint mode. Then press [a]24[a] to copy the hint location.
 
 Hintable elements for all extended hint modes can be set in the
 'extendedhinttags' XPath string.
+
+Note: the behavior of [m];t[m] and [m];b[m] is inverted if the
+\'browser.tabs.loadInBackground' preference is set to false.
 ________________________________________________________________________________
 
 // vim: set syntax=asciidoc: