new strings for about activity and new error message when loading a bitmap that has the wrong format
new strings for about activity and new error message when loading a bitmap that has the wrong format

hujiaweibujidao/textfairy,dankito/TextFairyPlugin,dankito/TextFairyPlugin,hujiaweibujidao/textfairy,renard314/textfairy,hujiaweibujidao/textfairy,hujiaweibujidao/textfairy,sachinxagrawal/testocr,renard314/textfairy,dankito/TextFairyPlugin,sachinxagrawal/testocr,sachinxagrawal/testocr,hujiaweibujidao/textfairy,renard314/textfairy,dankito/TextFairyPlugin,renard314/textfairy,renard314/textfairy,sachinxagrawal/testocr,renard314/textfairy,dankito/TextFairyPlugin,sachinxagrawal/testocr,renard314/textfairy,renard314/textfairy