Adding ppc64le architecture support on travis-ci

Bump junit from 4.10 to 4.13.1

Fix range check for euc-jp and sjis case fold.

Fix failling TestTranscode#test_to_cp50221

Fix getGB4bt2

update Econv convertInternal method

Update UTF32Encoding

fix treeStart for From_UTF8_MAC_Transcoder

fix caseMap for Georgian

Add isTitle to Encoding

My Changes Update TestEConv.java