O3-3776: Add fix for content package archetype

[mherman22]

Description of what I changed

The feedback from those who have tried creating a content package archetype has led to the following adjustments:

• Fixed the issue with modulename where a user ended up with {moduleName}name> in the POM instead of the real name that has been set.
• This message below was tweaked to default to org.openmrs.content and group the language about "modules".

By convention OpenMRS modules use 'org.openmrs.module' as a groupId 
(must follow convention for naming java packages) and the module id 
as an artifactId. The version should follow maven versioning convention, 
which in short is: major.minor.maintenance(-SNAPSHOT).

Please specify groupId (default: 'org.openmrs.module'):

• I removed the prompmt What version of the content package (-Dcontentpackage) do you want to support? (default: '1.0.0'):

Issue I worked on

see https://openmrs.atlassian.net/browse/SDK-

Checklist: I completed these to help reviewers :)

• My IDE is configured to follow the code style of this project.

  No? Unsure? -> configure your IDE, format the code and add the changes with git add . && git commit --amend

• I have added tests to cover my changes. (If you refactored
  existing code that was well tested you do not have to add tests)

  No? -> write tests and add them to this commit git add . && git commit --amend

• I ran mvn clean install right before creating this pull request and
  added all formatting changes to my commit.

  No? -> execute the above command

• All new and existing tests passed.

  No? -> figure out why and add the fix to your commit. It is your responsibility to make sure your code works.

• My pull request is based on the latest changes of the master branch.

  No? Unsure? -> execute command git pull --rebase upstream master

[ibacher]

Thanks @mherman22! Mostly looks good. A couple of small suggestions for simplifying thing.

[ibacher]

Can't this be simplified?

Suggested change

	if (TYPE_CONTENT_PACKAGE.equals(type)) {
	wizard.showMessage(CONTENT_MAVEN_INFO);
	groupId = wizard.promptForValueIfMissingWithDefault(GROUP_ID_PROMPT_TMPL, groupId, "groupId", "org.openmrs.content");
	while (!groupId.matches("[a-z][a-z0-9.]*")) {
	wizard.showError("The specified groupId " + groupId
	+ " is not valid. It must start from a letter and can contain only alphanumerics and dots.");
	groupId = null;
	groupId = wizard
	.promptForValueIfMissingWithDefault(GROUP_ID_PROMPT_TMPL, groupId, "groupId", "org.openmrs.content");
	}
	} else {
	wizard.showMessage(MAVEN_INFO);
	groupId = wizard.promptForValueIfMissingWithDefault(GROUP_ID_PROMPT_TMPL, groupId, "groupId", "org.openmrs.module");
	while (!groupId.matches("[a-z][a-z0-9.]*")) {
	wizard.showError("The specified groupId " + groupId
	+ " is not valid. It must start from a letter and can contain only alphanumerics and dots.");
	groupId = null;
	groupId = wizard
	.promptForValueIfMissingWithDefault(GROUP_ID_PROMPT_TMPL, groupId, "groupId", "org.openmrs.module");
	}
	String defaultGroupId;
	if (TYPE_CONTENT_PACKAGE.equals(type)) {
	defaultGroupId = "org.openmrs.content";
	wizard.showMessage(CONTENT_MAVEN_INFO);
	} else {
	defaultGroupId = "org.openmrs.module";
	wizard.showMessage(CONTENT_MAVEN_INFO);
	}
	// code can be shared here

[ibacher]

Maybe we refactor this into a function call or using the above:

packageName = groupId + "." + artifactId

That said, we shouldn't need to prompt for a package for a content package since it shouldn't have code.