Version bump + Changelog update for 1.11

ChangeLog

+1.11 - 2014-04-05
+	- Added 'b' key to spawn shell in the current directory
+	- Support scanning (and refreshing) of empty directories
+	- Added --si flag for base 10 prefixes
+	- Fix toggle dirs before files
+
 1.10 - 2013-05-09
 	- Added 'c' key to display item counts
 	- Added 'C' key to order by item counts

README

-ncdu 1.10g
-=========
+ncdu 1.11g
+==========
 
 DESCRIPTION
 

configure.ac

 
-AC_INIT(ncdu, 1.10g, projects@yorhel.nl)
+AC_INIT(ncdu, 1.11g, projects@yorhel.nl)
 AC_CONFIG_SRCDIR([src/global.h])
 AC_CONFIG_HEADER([config.h])
 AM_INIT_AUTOMAKE([foreign subdir-objects])