[enh] better index user WOT leave events
[enh] add certCount in <currency>/blockstat index

[fix] peer index not executed
[fix] email subcription not executing
[enh] Better message when error on http request
[enh] new option to send email subscription at startup

- Peer: Add BMATOR endpoint API

[enh] Upgrade to elasticsearch 2.4.5

[fix] fix typo on plugin settings 'startlls'

[fix] remove unused github maven plugin

[fix] fix unit test

- HttpService: ignore cookie (avoid error cause by Yunohost SSO)
- Email subscription: fix scheduler delay

- Client: transaction options ar now optional (ask in prompt)
- Network peers : filter on currency, to evict bad currrency peers

- Core  : entities currency and peer model use String for ID
- ES : add new DAO classes
- ES : Code refactoring to an extended Client

- Client: network > Optimize highlight
- Client: network > Allow to change default timeout

- Client: Add ZIP assembly
- Client: network add highlight
- Add license header

- Client: could now broadcast TX sent

- Rename index /<currency>/peer  into /<currency>/endpoint

- new mavn submodule, for command line tool

- Allow to use SSL duniter node

- update group index: remove group name (use attribute 'id' as ES id)

- user event : use by default generated keyring, to compute hash and signature on user event

 - Remove guava dependency (in modules core-client and core-shared)
 - Remove gson (keep as optional in module core-client)
 - Add /node/summary Rest action

 - Security: fix security rule for /_read URL
 - Add missing i18n resource files (in gchange plugin)

- ThreadPool : delegate to default ES thread pool when possible

- Add cache on HttpClient, by timeout
- Fix maven conf to run ES node using -DskipAssembly
- Add new index group/record
- Synchro: log stats insert/update

- allow search rest access on user event
- user event : add pubkeys AND names on TX events

- Add user event on blockchain changes

- ES: simplify UserEvent management