companyUrl and repositoryName added to project properties

[lukmarcus]

Closes #133
Closes #134

Similar to Site Name, I added additional properties to projects, so the portfolio author can generate:

• Company name with a custom URL
• Repository URL with name covering its link

All working company variants:

#	project.companyName	project.companyUrl	Rendered "Company" Section
1	yes	yes	<a href="project.companyUrl">project.companyName</a>
2	yes	no	project.companyName
3	no	yes	<a href="project.companyUrl">project.companyUrl</a>
4	no	no	Not Rendered

All working repository variants:

#	project.repositoryName	project.repositoryUrl	Rendered "Source Code" Section
1	yes	yes	<a href="project.repositoryUrl">project.repositoryName</a>
2	yes	no	Not Rendered
3	no	yes	<a href="project.repositoryUrl">project.repositoryUrl</a>
4	no	no	Not Rendered

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