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/,\
html/,\
index/,\
uiqTOC.xml,\
tocConcepts.xml,\
tocReference.xml,\
tocRelease.xml,\
tocStart.xml,\
tocTasks.xml,\
reference/,\
book.css