Release 1.0.0 RC 6

v1.0.0-rc6

Set version to 1.0.0-rc6.

Release 1.0.0 RC 5

v1.0.0-rc5

Set version to 1.0.0-rc5.

v1.0.0-rc4

Set version to 1.0.0-rc4

v1.0.0-rc3

Set version to 1.0.0-rc3.

v1.0.0-rc2

Ninjafix: added missing tags to CHANGES.txt