move defunct-ships into contrib

diff --git a/defunct-ships/ArithmeticShip.java b/contrib/defunct-ships/ArithmeticShip.java
similarity index 100%
rename from defunct-ships/ArithmeticShip.java
rename to contrib/defunct-ships/ArithmeticShip.java

diff --git a/defunct-ships/Counter.java b/contrib/defunct-ships/Counter.java
similarity index 100%
rename from defunct-ships/Counter.java
rename to contrib/defunct-ships/Counter.java

diff --git a/defunct-ships/DeMux.java b/contrib/defunct-ships/DeMux.java
similarity index 100%
rename from defunct-ships/DeMux.java
rename to contrib/defunct-ships/DeMux.java

diff --git a/defunct-ships/Dup.java b/contrib/defunct-ships/Dup.java
similarity index 100%
rename from defunct-ships/Dup.java
rename to contrib/defunct-ships/Dup.java

diff --git a/defunct-ships/Dup3.java b/contrib/defunct-ships/Dup3.java
similarity index 100%
rename from defunct-ships/Dup3.java
rename to contrib/defunct-ships/Dup3.java

diff --git a/defunct-ships/DuplicatorShip.java b/contrib/defunct-ships/DuplicatorShip.java
similarity index 100%
rename from defunct-ships/DuplicatorShip.java
rename to contrib/defunct-ships/DuplicatorShip.java

diff --git a/defunct-ships/HomeworkCounter.java b/contrib/defunct-ships/HomeworkCounter.java
similarity index 100%
rename from defunct-ships/HomeworkCounter.java
rename to contrib/defunct-ships/HomeworkCounter.java

diff --git a/defunct-ships/MemoryReadShip.java b/contrib/defunct-ships/MemoryReadShip.java
similarity index 100%
rename from defunct-ships/MemoryReadShip.java
rename to contrib/defunct-ships/MemoryReadShip.java

diff --git a/defunct-ships/MemoryWriteShip.java b/contrib/defunct-ships/MemoryWriteShip.java
similarity index 100%
rename from defunct-ships/MemoryWriteShip.java
rename to contrib/defunct-ships/MemoryWriteShip.java

diff --git a/defunct-ships/MultiplierShip.java b/contrib/defunct-ships/MultiplierShip.java
similarity index 100%
rename from defunct-ships/MultiplierShip.java
rename to contrib/defunct-ships/MultiplierShip.java

diff --git a/defunct-ships/Mux.java b/contrib/defunct-ships/Mux.java
similarity index 100%
rename from defunct-ships/Mux.java
rename to contrib/defunct-ships/Mux.java

diff --git a/defunct-ships/ScatterShip.java b/contrib/defunct-ships/ScatterShip.java
similarity index 100%
rename from defunct-ships/ScatterShip.java
rename to contrib/defunct-ships/ScatterShip.java

diff --git a/defunct-ships/Sort2.java b/contrib/defunct-ships/Sort2.java
similarity index 100%
rename from defunct-ships/Sort2.java
rename to contrib/defunct-ships/Sort2.java