POSIX#fcntl
POSIX#fcntl w/ argument.
Improve test for POSIX#fcntl w/ arg
Merge branch 'master' into fcntl

Conflicts:
	src/main/java/jnr/posix/BaseNativePOSIX.java
	src/main/java/jnr/posix/CheckedPOSIX.java
	src/main/java/jnr/posix/JavaPOSIX.java
	src/main/java/jnr/posix/LazyPOSIX.java
	src/main/java/jnr/posix/LibC.java
	src/main/java/jnr/posix/POSIX.java
	src/test/java/jnr/posix/FileTest.java
Fix CheckedPOSIX#getdtablesize for java 1.6
Merge pull request #21 from akiellor/fcntl

POSIX#fcntl