eureka

#1212 add ClientFilter to HttpReplicationClient
#1177 Remove unused javax.mail dependency
#1194 Add injectable customizable EndpointRandomizer

#1135 eureka-1134: fix for StringIndexOutOfBoundsException
#1157 Eureka Client doesn't respect DNS server change at runtime
#1163 Add @Override toString() in InstanceInfo
#1170 sanitize metadata map for empty values

• EUREKA-1154 Return 404 if instance is not found when trying to update metadata via REST API
• Return 0 for staleness when the client is shutdown or when refreshes not enabled.

#1152 Improved logging and metrics

#1125 ISSUE-1124 register additionalFilters into clientConfig
#1126 Better data synchronization for eureka server delta calculation
#1132 eureka-1131: handle spot instance termination
#1138 EUREKA-1137 Add counter for congestion issues
#1140 update default server's eureka-client property

#1119 defaultZone separator support container space
#1122 Add User-Agent when requesting information from AWS Metadata service

#1093 Add configuration for expected interval between clients' renews
#1096 Cache capacity configurable
#1097 remove magic number
#1100 Fix #1098 (DiscoveryClient.localRegionApps not clear application without any instances)
#1107 Add config parameter eureka.myUrl
#1108 Add an interface for AwsAsgUtil

#1071 Fix the inconsistency logic in method updateRenewalThreshold()
#1088 Concurrent register of custom healthcheck handler in DiscoveryClient

#1080 one more change to relax parsing compatibility due to overiddenstatus casing change

#1079 change overriddenstatus field name in pojo to allow for better serialization compatibility

#976 Remove-checked-exceptions-from-@PostConstruct-methods
#1003 Prevent "null" url server url prefix
#1054 update: compatible txt value format: "host1 host2 host3"
#1057 bugfixing: Eureka Proxy Setting is not working
#1058 Fix issue #1041 (duplicated create Eureka-JerseyClient-Con-Cleaner task)
#1059 update dependencies
#1060 address dangling PR comments for PRs #976 and #1003

#1052 fix for issue #1051 (overriddenstatus changed to overriddenStatus breaks json parsing)

Back port fixes to 1.7.x releases (Java7 compatible)

#1044 Verify is scheduler is active before submit (cherry pick of #1029 from master branch)

#1013 The getHostCandidates method improves
#1017 Increase the catch exception code
#1021 Use a more elegant way to judge empty
#1022 Set up xstream security framework
#1023 Avoid scheduling when DiscoveryClient.shutdown called (fix for #973)
#1026 Get dataCenterInfo when need it && fix typo
#1029 Verify if scheduler is active before submit new task
#1031 prevent replication flood caused by socket read time out leads to some node CPU 100%
#1033 fix potential NPE for issue #1014

#969 Misc. logging fixes
#1010 catch potential exceptions around EurekaEventListener notify

#1001 Support configuration of custom SSLContext/HostnameVerifier
#1009 Add default impl to two interface methods introduced recently

#997 Add ability to fail fast in DiscoveryClient construction if an initial registration attempt fails

#994 Fix a race condition in the server remoteRegionRegistry

#985 client check call success/failure before unsetting isDirty
#989 Add a config to control whether explicit unregister should happen on client shutdown

Back port fixes to 1.7.x releases (Java7 compatible)

#984 Fix Override Status Regression
#985 check call success/failure before unsetting isDirty