Fix an error on Milestone1_TimelineData.page

The deploy was not working due to an error on the visualforce code.
Error shown by ant:
    pages/Milestone1_TimelineData.page -- Warning:
    Element type "event" should be followed by either attribute
    specifications, ">" or "/>" in Milestone1_TimelineData at line 30
Convert a home page component to Visualforce

The "Add A Task" home page component used unsupported code (iframe). Now
it's type is Visualforce component.
Update metadata for newer versions
New setup with simpler layouts
Change picklist values for Project and Task
Change charts colors
Add support for billable hours

It's still pending to add summary fields at the project level. We can't
use roll-up fields because of the type of relation between Milestone and
Project.
Add support for billable hours to project
Add task list view "For Review"
Fix indentation and minor refactor of Task Trigger class
Create a log when a task is blocked
New package.xml for managed or unmanaged packages

- Added the fullName tag for the package name
- Added a lot of missing elements to the package like: fields,
  validation rules, custom buttons, etc.
Some changes on metadata after retrieve
Change labels and package.xml after retrieve
Fix a failing test case related to milestone move
Add user profile to the package
Activate some validation rules
Fix and refactor tests for GettingStartedController
Fix failing test case in Milestone1_Test_Task_Dependency
Minor fix on the profile permissions