add Password based SSH

(from [983340895fecf69e47c8924f5fc2e594824acdfe]) Add private data context for executions

[#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/983340895fecf69e47c8924f5...

(from [aecdb11741e70d515fdc052ed52095d587f67c5d]) Remove old node auth, update Jsch providers

add password auth support to jsch providers
add tests

[#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/aecdb11741e70d515fdc052ed...

(from [37004c413c9637e7f58acc31bec24ea616f7b59a]) Add initial secureInput for Options

[#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/37004c413c9637e7f58acc31b...

(from [a6ede13fe51ff9a9b9a4e8e7adc839f281ec4030]) Use private data context

to pass secure option input to executions

[#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/a6ede13fe51ff9a9b9a4e8e7a...

(from [8ef4ad68b2556f9dccb9be7ea60d22cb9b7f63fa]) Indicate secure options in gui

[#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/8ef4ad68b2556f9dccb9be7ea...

(from [aabbe968e798dc8fe9aca82b973260c4d3f133b7]) Add ssh password auth docs [#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/aabbe968e798dc8fe9aca82b9...

(from [7a9377ee7731f78cdb0f6e3860b411c43cd32494]) Add validation of secure option when multivalue is true [#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/7a9377ee7731f78cdb0f6e386...

(from [8d50b77be1c11fa73fc8a2328fc69164596838cf]) Update secure option input form and execution UI [#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/8d50b77be1c11fa73fc8a2328...

(from [612039155295d83ab2af7ee9b49e3e5f79adb4f2]) Change Auth fail error message and allow message override [#478 add Password based SSH] https://github.com/dtolabs/rundeck/commit/612039155295d83ab2af7ee9b...

(from [016b688c4003118f84b8e86bb8aaa0912b40a586]) Merge branch 'feature-ssh-sudo-gws' into development

[#478 add Password based SSH] [#482 support remote Sudo authentication] https://github.com/dtolabs/rundeck/commit/016b688c4003118f84b8e86bb...