Merge branch 'stable-2.11'
* stable-2.11:
Remove unused imports in Helper.java
Rename getPathSetWebLink to getPatchSetWebLink
Improve class naming of group inclusion cache loaders
Fix NPE when indexing changed lines
Fix LDAP authentication for the RFC2307 server type
Lazily lookup LDAP group memberships
Configurable ldap.fetchMemberOfEagerly to optimize LDAP login
Improve LDAP login times, transfer 40x less data.
Reduce number of LDAP queries when having multiple accountBases
Fix LDAP connection pool configuration.
Improve method and variable names related to group inclusion caches
Honor ldap.connectTimeout also without connection pooling
Add config options of LDAP 'connection pooling'
Change-Id: I2498f1eaa5ecd0d44ce4140394002f70424ab2ff
