Get rid of the ARRAY_STORAGE template parameter in Arrays

[mikir]

zserio::Array is cumbersome to use because it needs several template parameters:

template <typename RAW_ARRAY,
          ArrayType ARRAY_TYPE,
          ArrayStorage ARRAY_STORAGE = ArrayStorage::IMMUTABLE,
          typename ARRAY_TRAITS = ArrayTraits<typename RAW_ARRAY::value_type>>
class Array : public ArrayBase<ARRAY_TYPE> {};

This issue is about to get rid of the ARRAY_STORAGE template parameter which will require the implementation of the dedicated solution for offsets. The current idea is to implement a completely new abstraction, OffsetSetter, similar to the View abstraction. This would need a significant amount of work. Therefore we need a dedicated issue for that.

More information can be found in the issue #67.