Issue #151: Changed markdowns to have actual number to prevent them b…

* dibs: I will implement custom-set

* Created an empty project

* Added custom-set exercise to the Java track

Make Oracle JDK default for Debian distros

Without this instruction, the system continues to use the default OpenJDK.  This is confusing since we instruct the practitioner to install Oracle's JDK.

Issue #202: Replaced assertj assertions in simple-linked-list with jun…

(fixes #202)

Issue #201: Removed assertj from series gradle build file.

(Fixes #201)

Issue #200: Replaced assertj assertions in nucleotide-count tests wit…

(fixes #200)

* Added palindrome-products exercise to the Java track

* Added @Ignore annotations to tests

Issue #194: Removed assertj and guava from etl gradle build file

(resolves #194)

Issue #193: Changed assertions in AnagramTest to use junit instead of…

(resolves #193)

hamcrest assertions. Removed assertj from meetup gradle build file.

all-your-base: add to track

Binary search

* Added binary search tree exercise to the Java track

* Removed pythagorial triplet from config.json

* Removed binary search from config.json

bracket-push: add to track

robot-simulator: add to track

Delete all unused .keep files

- This code is the solution for the un-implemented Sum of Multiple
problem.
- Includes Test File which checks each test case indicated here:
https://github.com/exercism/x-common/blob/master/exercises/sum-of-multip
les/canonical-data.json

Correct minor formatting issues

mixed 2/4 spaces -> 4 spaces

3 spaces -> 4 spaces

Mixed tabs and spaces -> spaces