Implement core.thread.callWithStackShell() for PPC64 ELFv2 ABI.
createGlobalVariable() requires a context with LLVM 3.6
fix C2883 in MSVC build
fix configuration for llvm builds with assertions
fix #724 overwritten conf file
when ldc changes also rebuild runtime
also exclude unittest projects from default build in VS
attempt to make portable installation possible
remove all the "tmp" IR names
fix newline
add a few IR names
fix CMP0054 policy warnings