Improved IO threading model documentation
updated JettyWebfilterTest.java to JettyWebFilterTest.java
Modified Set documentation to include more details on partitioning and backup storage
Deleting unwanted test case
Merge pull request #3115 from wildnez/tempo

Modified Set documentation to include more details on partitioning and backup storage.
#2817 - Hazelcast Core JAR is now on a classpath when starting the example client
Merge pull request #3117 from jerrinot/maintenance-3.x

#2817 - Hazelcast Core JAR is now on a classpath when starting the example client
Merge pull request #3113 from mesutcelik/backport2887

backport for #2887
added tomcat libs to test scope
Merge pull request #3114 from pveentjer/doc/3.x/io-threading-model

Improved IO threading model documentation
Java Client section more improvements.
Reviewed IO threading section improvements
Reviewed Java Client section authored by Asim.
unit test fix for #3052 and #3053
Moved the maploader executors to the ExecutionService to it is less obscure which loader exists
Merge pull request #3107 from noctarius/github_issue_2964

Added FutureUtil class to unify calls with multiple Future objects
Fixed checkstyle issue; line too long
Made NetworkConfig.setReuseAddress configurable through XML
Fixed possible cluster not ready on mapreduce tests
fix for #2676