healthcheck functionality

added test table printing

refactored printing, separated ostf, and api calls

refactored printing again, fixed indent, rewritten a post ostf method

fixed message printing with 'fuel env set'

removed unnessasary get request headers, print_deploy_progress refactored

added try catch to curses printer

Change-Id: Ib973910b56571c3e13b35517c758b6fd39633ca9
Merge "healthcheck functionality"