PhpReport 2.0-beta2

Bugfixing release which fixes some open bugs and improves installation
instructions to be more concrete and specific; specially, a guide to install the
application in Windows systems has been written.

Changes

• Improved installation instruccions:
  • Added specific steps for Debian/Ubuntu, RedHat/Fedora and Windows users.
  • Added a section with common problems.
• [Bug #141] Fixed bug in user creation in fresh installs.
• [Bug #150] Take into account moved hours to calculate deviation and cost per
  hour of a project.
• [Bug #151] Detect when a project is opened but should be closed