EVM summary added to overview page

Added EVM overview to the project overview page.
It is very easy useful because you can refer to the EVM value when you open the project.

Improved visibility of the main page.

Include follows,

• Some bugfix
• Add Screenshots
• Modify some readme text

Redmine5 is now supported.

Merge pull request #222 from momibun926/redmine5.0

Redmine5.0

Add new function (Project reporting)

• Project reporting based on EVM
  • Project overview can be recorded with EVM values
  • List, query, and edit historical summaries

Test on Redmine 4.2.2

Merge pull request #216 from momibun926/5.5_develop

Bug fix, version up

bug fix

calculation of ETC.

Latest version for Redmine 3.4.x

4.1.2

Change version number

Test on redmine 4.2

Merge pull request #211 from momibun926/5.5_develop

Test on redmine 4.2

Add new function: Detail of difference baseline and actual

Merge pull request #208 from momibun926/function_baseline_diff_detail

Detail of  difference baseline and actual

Add new function, Display daily EAC on main chart.

Merge pull request #205 from momibun926/5.4_develop

Version 5.4.1