Add new metrics for data storage

class CacheGroupMetricsMXBean{
/** CacheGroup type. PARTITIONED, REPLICATED, LOCAL.*/
String getType();
/** Partitions currently assigned to the local node in this cache group. */
int[] getPartitions();
}

class DataRegionMXBean{
/** Total offheap size in bytes. */
long getOffHeapSize();
/** Total used offheap size in bytes for all data regions. */
long getOffheapUsedSize();
/** The number of read pages from last restart. */
long getPagesRead();
/** The number of writen pages from last restart. */
long getPagesWriten();
/** The number of replaced pages from last restart . */
long getPagesReplaced();
/** Total dirty pages for the next checkpoint. */
long getDirtyPages();
}

class DataStorageMXbean{
/** Total offheap size in bytes. */
long getOffHeapSize();
/** Total used offheap size in bytes for all data regions. */
long getOffheapUsedSize();
/** The number of read pages from last restart. */
long getPagesRead();
/** The number of writen pages from last restart. */
long getPagesWriten();
/** The number of replaced pages from last restart. */
long getPagesReplaced();
/** Total checkpoint time from last restart. */
long getCheckpointTotalTime();
/** Total dirty pages for the next checkpoint. */
long getDirtyPages();
/** Total size in bytes for storage wal files. */
long getWalTotalSize();
/** Time of the last WAL segment rollover. */
long getWalLastRollOverTime();
}