Fix several issues for Linux around casting SDKManager to concrete class:
mostly with reading devices.xml which Unix does not support. Migrated
ISDKManager#getMinimumSupportedSBSv2Version() to API. Can now import and create Symbian projects.
bin.includes = plugin.xml,\
META-INF/,\
plugin.properties,\
schema/
src.includes = bin/com/
jars.compile.order = bin/componentAPI.jar
output.bin/componentAPI.jar = bin/
source.bin/componentAPI.jar = src/