[Config] Handle quotes in OTHER_LD_FLAGS
[Config] Simplify to_hash
[Config] Simplify logic of OTHER_LD_FLAGS
[Config] Add space to -l flag in other linker flags
[OtherLinkerFlagsDecomposer] Use shellwords
[OtherLinkerFlagsDecomposer] Rename to OtherLinkerFlagsParser
[OtherLinkerFlagsParser] Small tweaks and documentation
[Config] Quote libraries and frameworks to prevent issues with spaces

Makes also the configurations more legible with syntax highlight