Bump version to 0.61
Remove hardcoded path for multiuser support

related to XWALK-1649
Merge pull request #305 from eurogiciel-oss/multi-user

Remove hardcoded path for multiuser support
Bump version to 0.62
[Tizen] Common xwalk utilities module for shared JavaScript code.

Initial method contains validation for mandatory and optional arguments.
Merge pull request #313 from poussa/xwalk-utils

[Tizen] Common xwalk utilities module for shared JavaScript code.
[Content] Add API argument validation

Validate the method arguments aganist the signature.
Throw TYPE_MISMATCH_ERR exception is no match.
Use the new xwalk.utils module.
Merge pull request #314 from poussa/tct-fixes-3

[Content] Add API argument validation
Fix the availability libtzplatform-config package

Signed-off-by: Sabera Djelti (sdi2) <sabera.djelti@open.eurogiciel.org>