Cleanup/seed

Fix indent, remove unnecessary friendship with grid implementation, add public function target returning what the protected getImplementationPointer() member function returned before.

added 7 commits

• 3c3f1ef7...e279b0c2 - 4 commits from branch master
• c677e6f5 - [seed] Rename protected member function getImplementationPointer() to public…
• 3fa99b11 - [seed] Remove unnecessary friendship with grid implementation
• c4df01e2 - [seed] Fix indent

Compare with previous version

this also fails on CI because the clang runner doesn't find the opts file.

added 7 commits

• c4df01e2...ccf975b8 - 4 commits from branch master
• cb1bb42d - [seed] Rename protected member function getImplementationPointer() to public…
• 2d5c3978 - [seed] Remove unnecessary friendship with grid implementation
• 6b9c7c1c - [seed] Fix indent

Compare with previous version

Resolved merge conflicts due to !47 (merged).

mentioned in commit 0bc28af8

merged