Set master branch to 1.0.0-rc5 in prep for rc4 release.
SCHEMA-208, SCHEMA-211. KijiURI builder & exception.

SCHEMA-208. Convert KijiURIException to unchecked.
SCHEMA-211. KijiURIBuilder should default to "default" instance, not null.

Signed-off-by: Christophe Taton <taton@wibidata.com>
SCHEMA-197. Layout versions now use the "layout" namespace.

- Changes the expected layout format version to "layout-1.0" or
  "layout-1.1".
- All layouts in resources have had their version numbers changed to
  "layout-1.0" or "layout-1.1".
- Existing layouts with a 'kiji-1.0' version string are supported.
- "kiji version" will now show the minimum and maximum layout versions
  that this kiji version can recognize.

Signed-off-by: Aaron Kimball <aaron@wibidata.com>
SCHEMA-135. Clean up API for TableBackups.

Signed-off-by: Aaron Kimball <aaron@wibidata.com>
SCHEMA-67. Remove unused CounterManager, NumberParser.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>