Merge pull request #63 from nazariitashak/development

According to issue #56 Customize web server error pages was implemented.
Merge pull request #64 from EricpolUkraine/development

Merge of v1.9.2-alpha to 'test' branch
Merge pull request #67 from nazariitashak/test

```Views/Error/ShowErrorPage.cshtm``` wasn't included in AjourBT.csproj
To #52 PU/Employees enhancement -'Choose dept' changed to'Choose Department' in the DropDownList() on Create.cshtml
Merge pull request #68 from AnnaStorozhenko/test

To #52 PU/Employees/ [Add employee] enhancement