oauthscribeclient working with vrsion 1.x

compiled with version 1.3.3, but should be working with versioin 1.x
out of the box
small test change
Merge branch 'oauth_scribe_working'
winterwell.utils added to make tests compile

winterwell.utils classes are used in tests but not distributed; added
simple implementations of these classes so that the tests can compile
added building via gradle

project and classpath removed since they can be generated via gradle;
updated dependencies