create base documentation (issue #59)

This version introduces multiple enhancements:

added full description for usage scripts and styles

Details of additions/deletions below:
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Modified:   /docs/scripts_and_styles.md
            -- Added --
                full description
added port handling for mysql_connection_class

This version introduces multiple enhancements:

added port handling for database connection
added port number to database connection example

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/packages/db/mysql_connection_class.php
            -- Updated --
                __construct added port number handling

Modified:   /BLUE_FRAMEWORK/modules/mod2/mod2.php
            -- Updated --
                connectionTest, added port number to mysql_connection_class
create base documentation (issue #59)

This version introduces multiple enhancements:

added full description for url convention

Details of additions/deletions below:
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Modified:   /docs/url-conventions.md
            -- Added --
                added full description
fixed return buton url

This version introduces multiple enhancements:

fixed problem with generating return button url when classic url is turned on

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/modules/commit/layouts/generate.html
            -- Updated --
                put parent marker into marker that convert url