`lobster-cpptest` should support dynamic marker strings

[TannazVhdBMWExt]

In current version lobster-cpptest supports just "defect", "requirement" and "requiredby".

The goal is to make the tool configurable, and to remove the restriction of supporting only "requirement" and "requiredby".

The user shall be able to configure the marker strings.

• If the user specifies the same output file for several markers, then the elements shall be written into the same file.
• Elements shall not appear twice in a single file.
• If an element contains several markers, then the element shall be written into all files specified by the marker.

Config file should be modified and be like:

{ "output": { "unit_tests.lobster" : { regex: [ "\+w?*{@requirement}...", "\[0-9]?*{@other_requirement}..." ], kind: "req" }, { regex: [ "\+w?*{@required_by}...", "\[0-9]?*{@kjasdasd}..." ], kind: "imp" }, } }