Implement project Essential_L2.1
Add and implement class Converter.cs
Update gitignore
Add Currency.cs
Improve Converter.cs
Merge pull request #3 from anna-kulyk/L2.1

Implement project Essential_L2.1
Implement project Essential_L2.2:
Add and implement class Employee.cs
Add enumerator Post.cs
Upgrade gitignore

Conflicts:
	.gitignore
	Essential/Essential_L2/Essential_L2.sln
	Essential/Essential_L2/Essential_L2.v12.suo
Improved Employee.cs
Improve Employee.cs

Conflicts:
	Essential/Essential_L2/Essential_L2.v12.suo
Ignore *.suo