using lrucache in DataManager
using lrucache in cachehandler
Merge remote-tracking branch 'upstream/next' into MAID-570
Reflecting LruCache changes
Merge branch 'MAID-563_accumulator_update' of https://github.com/BSMaidSafe/MaidSafe-Vault into BSMaidSafe-MAID-563_accumulator_update
Merge branch 'MAID-563_accumulator_update' of https://github.com/BSMaidSafe/MaidSafe-Vault into BSMaidSafe-MAID-563_accumulator_update
Merge pull request #96 from mmoadeli/MAID-570

Maid 570