Update for 1.5 and add information for Jenkins builds.

Signed-off-by: Michael Fabian Dirks <hellbirdxjun@gmail.com>
Merge with private repository:
* Removed unnecessary checking for blocks.
* Commented out unused code.
* Added new detection code for water.

Signed-off-by: Michael Fabian Dirks <hellbirdxjun@gmail.com>