1) Add EpocEngineHelper#hasFeatureVariantKeyword(...)
2) Make sure retrieval of makefile directory and makefile name hadles default ARMV5 case
where config is a variant but the FEATUREVARIANT keyword is not specified.
bin.includes = .,\
META-INF/,\
icons/,\
plugin.xml,\
html/,\
Tools/,\
tocCodeScanner.xml,\
book.css,\
CodeScannerPlugin.jar,\
index/
jars.compile.order = CodeScannerPlugin.jar
source.CodeScannerPlugin.jar = src/
output.CodeScannerPlugin.jar = bin/