Tika: Upgrades junit to 4.11 and mockito to 1.9.5
Tika: Settings which are set by external means should be declared public

Eventhough reflection is used to set these fields, the intention
should be clearly stated in the code that others will reach
into this class and modify the values.
Tika: Fixes warnings in tests and cleans up some code
Tika fetch stage now closes its opened resources.
Merge pull request #233 from Nycander/tika-fetch-close-resources

SimpleFetchingTikaStage should close its resources after fetching
Use wiremock in SimpleFetchingTikaStageTest

No longer tries to access google.com during test. Fixes #235
Changed junit to junit-dep to avoid class conflicts
Merge pull request #237 from remen/#235_mockhttpintika

Use wiremock in SimpleFetchingTikaStageTest
Changes confusing language in configuration readme