issue #1848:use CCConfiguration::supportsPVRTC() to determine if the device support powertc format
Merge pull request #2236 from minggo/iss1848-pvrtc

use CCConfiguration::supportsPVRTC() to determine if the device supports pvrtc format
Remove "-o igncr" from CocosPlayer Android Eclipse project
- update README files
- format javascript sample README files like cpp samples
Update template android projects README files
Merge pull request #2239 from fape/android_eclipse2

Eclipse Project import - Windows part 2
fixed #1855: std_string_to_jsval generates messy js string when passing non-ascii UTF8 std::string.
Merge pull request #2244 from dumganhar/master

fixed #1855: std_string_to_jsval generates messy js string when passing non-ascii UTF8 std::string.