<commit_before>Variable lists files which maps artifact coordinates to repositories parameters.

Example of variable (";" - separated): 

```
SCM4J_VCS_REPOS=file:///c:/workspace/my-repos.yaml;http://mycompany.com/repos/project1-repos.yaml`
```

Yaml file consists of number of rules which are applied in order of appearance, first one which matches is used.

```yaml

# omap is a must since it defines order

!!omap

# Just a component. Note that  ident of attribute specification must be at least three spaces

- mycompany:component1: 
   url: http://mycompany.com/repos/component1

# Two components in the same repository

- component1|component2:
   url: http://mycompany.com/repos/components
  
# Coordinates which matches `my.*`. Repository name is constructed from coorinates name using regular expression

- my(.*):
   url: http://mycompany.com/git/myProj$1
  
# `svn` type repository (`git` is default)

- mycompany:component3:<commit_msg>Update data-structure-SCM4J_VCS_REPOS.md<commit_after>Variable lists files which maps artifact coordinates to repositories parameters.

Example of variable (";" - separated): 

```
SCM4J_VCS_REPOS=file:///c:/workspace/my-repos.yaml;http://mycompany.com/repos/project1-repos.yaml`
```

Yaml file consists of number of rules which are applied in order of appearance, first one which matches is used.

```yaml

# omap is a must since it defines the order

!!omap

# Just a component. Note that  ident of attribute specification must be at least three spaces

- mycompany:component1: 
   url: http://mycompany.com/repos/component1

# Two components in the same repository

- component1|component2:
   url: http://mycompany.com/repos/components
  
# Coordinates which matches `my.*`. Repository name is constructed from coorinates name using regular expression

- my(.*):
   url: http://mycompany.com/git/myProj$1
  
# `svn` type repository (`git` is default)

- mycompany:component3:
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