Images.save + ListedImages unit test

[amihaiemil]

PR for #152

Added Images.save(), unit test for ListedImages.iterate() and puzzles

[0crat]

Job #155 is now in scope, role is REV

[coveralls]

Pull Request Test Coverage Report for Build 292

• 0 of 13 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-2.3%) to 80.882%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/java/com/amihaiemil/docker/RtImages.java	0	13	0.0%

Totals
Change from base Build 290:	-2.3%
Covered Lines:	385
Relevant Lines:	476

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 292

• 0 of 13 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-2.3%) to 80.882%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/java/com/amihaiemil/docker/RtImages.java	0	13	0.0%

Totals
Change from base Build 290:	-2.3%
Covered Lines:	385
Relevant Lines:	476

---

💛 - Coveralls

[amihaiemil]

@rultor merge

[rultor]

@rultor merge

@amihaiemil OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@amihaiemil Done! FYI, the full log is here (took me 3min)

[0crat]

Job gh:amihaiemil/docker-java-api#155 is not assigned, can't get performer

[0crat]

The job #155 is now out of scope