FOP-1342: Incorrect rendering of GIF images; patch submitted by Thanasis Giannimaras.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1556077 13f79535-47bb-0310-9956-ffa450edef68
FOP-1801: conversion B&W GIF=>PDF creates PDF with colorspace RGB if FOP0.95 and Gray if FOP0.20.5; patch submitted by Thanasis Giannimaras

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1557632 13f79535-47bb-0310-9956-ffa450edef68
FOP-2340: 64bit image missing in pdf; patch submitted by Simon Steiner

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1570941 13f79535-47bb-0310-9956-ffa450edef68
Brought the branch in sync with rev. 1570941 of trunk


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/branches/Temp_Checkstyle@1576326 13f79535-47bb-0310-9956-ffa450edef68
Enabled text formatter and set up zero warning policy


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/branches/Temp_Checkstyle@1576433 13f79535-47bb-0310-9956-ffa450edef68