Hide suggestions when copying/pasting. Related to #190
Update servers'assignments when updating replicas. Related to #345
Merge branch 'michel_345' into next
Fix for OS X
Merge branch 'michel_190' into next
Removed pointless typedefs in writeback.hpp.
Patch storage removal: Pinned patch_disk_storage_t::number_of_blocks to 0.
Patch storage removal: Removed swathes of code made dead by setting number_of_blocks to 0.
Patch storage removal: Removed now-unused functions in patch_disk_storage_t.
Patch storage removal: Removed patch_disk_storage_t::block_is_empty and log_block_bufs.
Patch storage removal: Removed all patch_disk_storage_t variables.
Removed call to clear_n_oldest_blocks.
Dropped unused compress_n_oldest_blocks function.
Removed unused get_number_of_log_blocks function.
Removed patch_disk_storage_t::store_patch.
Removed patch_disk_storage_t::load_patches and shutdown.
Removed any semblance that a patch_disk_storage_t would ever be constructed.
Removed unused function patch_memory_storage_t::load_block_patch_list.
Removed patch_memory_storage_t::first_patch.
Added comment noting that patch_map is always empty.