Ksaboor/JavaExercism: lots of exercises in java... from https://github.com/exercism/java

lots of exercises in java... from https://github.com/exercism/java

Stuart Kent 6eaa4273c6 Fix remaining x-common references		9 lat temu
..
img	Revamp installation and test instructions (#136)	10 lat temu
ABOUT.md	ABOUT: Minor formatting cleanups	10 lat temu
EXERCISE_README_INSERT.md	Rename the global exercise hints file	9 lat temu
INSTALLATION.md	INSTALLATION.md: Fixed spelling errors in documentation	9 lat temu
LEARNING.md	Add Java learning resources	10 lat temu
MAINTAINING.md	Fix remaining x-common references	9 lat temu
TESTS.md	TESTS.md: xjava -> java	9 lat temu