Fix for TIKA-1357: Use BufferedReader to parse ENVI files (from Ann Burgess).

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1612314 13f79535-47bb-0310-9956-ffa450edef68
Fix whitespace in EnviHeaderParser.

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1612316 13f79535-47bb-0310-9956-ffa450edef68