Convert all .kmap files to utf8
* lib/kbd/thai-kedmanee.kmap convert from tis620-0
* lib/kbd/greek.kmap convert from iso8859-7
* lib/kbd/polski.kmap convert from iso8859-2
* lib/kbd/german-3.kmap convert from iso8859-1
* lib/kbd/german.kmap convert from iso8859-1
* lib/kbd/koi8-r.kmap convert from koi8-r
* lib/kbd/hebrew.kmap convert from cp1255
* lib/kbd/european.kmap convert from iso8859-1
* lib/kbd/magyar-3.kmap convert from iso8859-2
* lib/kbd/arabic.kmap convert from iso8859-6
* lib/kbd/bg-bds-1251.kmap convert from cp1251
* lib/kbd/francais.kmap convert from iso8859-1
* lib/kbd/latvian.kmap convert from iso8859-13
* lib/kbd/german-2.kmap convert from iso8859-1
* lib/kbd/portuges.kmap convert from iso8859-1
* lib/kbd/koi8-u.kmap convert from koi8-u
* lib/kbd/american-2.kmap convert from iso8859-1
* lib/kbd/magyar-2.kmap convert from iso8859-2
* lib/kbd/serbian.kmap convert from iso8859-5
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17659 a592a061-630c-0410-9148-cb99ea01b6c8
