Bumped documentation to 2.6.0

ChangeLog

@@ -1,3 +1,7 @@
+2.6.0 () -
+
+------ current release ---------------------------
+
 2.5.1 (2016-02-24) 8b4ae3b54b44dfbd00b96cdd6dceb8dfe7cc1ea0
 
 - TD-104  Unrecognized taskwarrior file format
@@ -108,8 +112,6 @@
 - The 'run_all' script was not correctly using exit code 0 when all tests pass
           (thanks to Gordon Ball).
 
------- current release ---------------------------
-
 2.5.0 (2015-10-21) dd5968a61b1fab258b38879cfdbb7d67f1bcd550
 
 - TW-20   Task edit loses annotation precision, causing journal updating code

NEWS

@@ -1,33 +1,23 @@
 
-New Features in Taskwarrior 2.5.1
+New Features in Taskwarrior 2.6.0
 
-  - As a bug-fix, code cleanup and performance release, new features are
-    limited to only small tweaks.
-  - The 'help' command now takes a 'usage' argument, which displays only the
-    command usage.
+  - 
 
-New Commands in Taskwarrior 2.5.1
+New Commands in Taskwarrior 2.6.0
 
-  - None.
+  - 
 
-New Configuration Options in Taskwarrior 2.5.1
+New Configuration Options in Taskwarrior 2.6.0
 
-  - New 'relative' column format for 'date' type columns does what 'remaining'
-    and 'countdown' do, but in one format.
+  - 
 
-Newly Deprecated Features in Taskwarrior 2.5.1
+Newly Deprecated Features in Taskwarrior 2.6.0
 
   -
 
-Removed Features in 2.5.1
+Removed Features in 2.6.0
 
-  - There is no longer a 16-color default configuration for some platforms,
-    making all platforms 256-color.
-  - The configuration setting 'burndown.bias' is no longer used.
-  - The algorithm used to estimate completion on the 'burndown' reports has
-    been replaced by something less icky. Estimates are now based on the net
-    completion rate after the peak number of pending tasks.
-  - The unused 'dom' and 'shell.prompt' configuration settings were removed.
+  - 
 
 Known Issues