Modify RMAP arbiter mechanism to fix readback bug

- update the arbiter timing to use independent read and write switch gaps
- keep write-side behavior unchanged while making read-side turnaround more conservative
- improve request release handling after transaction completion to avoid unstable re-arbitration
- propagate the new arbitration controls through the memory-area top level
- keep the RMAP target/codec logic unchanged

Release R4+ - Issue Solution #12

Changed internal data bus to have fewer fifo stages and more stabilit…

…ies. Also changed the windowing memory

Modifications to imporove system overall stability

Modifications in the HW masking machine to improve overscan transmission

Deprecated RMAP_CONF_DUMP command and added DEFAULT_DUMP and CONF_DUM…

…P commands

Increased maximum number of windows per CCD to 45186 in NIOS SW

Corrected issue with reset command on CONFIG mode

Corrected STATUS enums

Corrected release name in .elf file