add support for 16bit signed integers (Short)
Add scaladoc for fromShort
Scaladoc cleanup
Mima exclusions
Fix bug in toShort/toInt/toLong on vectors with sizes not evenly divisible by 8
Merge branch 'series/1.0.x'

Conflicts:
	core/src/main/scala/scodec/bits/BitVector.scala
	core/src/test/scala/scodec/bits/BitVectorTest.scala