More portability fixes for Linux.
-- make EpocEnginePathHelper et al produce an IPath that matches an existing path in the filesystem even if the case doesn't match. File#getCanonical* does not do this in Unix.
-- SISBuilderInfo2 and bld.inf exports fixes for full path detection
-- make some tests less dependent on having specific SDKs available.
-- fix some warnings
bin.includes = plugin.xml,\
html/,\
introductionTOC.xml,\
performanceTOC.xml,\
symbolsTOC.xml,\
pragmas_x86TOC.xml,\
pragmasTOC.xml,\
c_behaviorTOC.xml,\
c_compilerTOC.xml,\
cmd_lineTOC.xml,\
compilerTOC.xml,\
cpp_behaviorTOC.xml,\
cpp_compilerTOC.xml,\
cpp_embTOC.xml,\
errorsTOC.xml,\
META-INF/,\
book.css,\
index/
src.includes = c_behaviorTOC.xml,\
c_compilerTOC.xml,\
cmd_lineTOC.xml,\
compilerTOC.xml,\
cpp_behaviorTOC.xml,\
cpp_compilerTOC.xml,\
cpp_embTOC.xml,\
META-INF/,\
html/,\
introductionTOC.xml,\
performanceTOC.xml,\
symbolsTOC.xml,\
pragmas_x86TOC.xml,\
pragmasTOC.xml,\
plugin.xml,\
errorsTOC.xml,\
book.css