CSPACE-5775,CSPACE-4551,CSPACE-5480,CSPACE-5841,CSPACE-5839: Reduce the ...

...default verbosity of logging in the Application layerby: 1) setting HTTPClient logging to the WARN level; 2) effectively disabling performance logging by setting perflog statements to the INFO label; 3) setting logging of org.collectionspace.chain.csp.webui.misc classes to the INFO level.