disambigued; improved readability; added support for nested message functions; dropped automatic jasmine `it` and `expect` functions wrapping in browsers;
disambigued; improved readability; added support for nested message functions; dropped automatic jasmine `it` and `expect` functions wrapping in browsers;

avrelian/jasmine2-custom-message,damianfarina/jasmine-custom-message,michaelhogg/jasmine-custom-message,avrelian/jasmine-custom-message,avrelian/jasmine-custom-message,avrelian/jasmine2-custom-message,damianfarina/jasmine-custom-message,michaelhogg/jasmine-custom-message