[linearelliptic.testcases.spe10] added first draft of Spe10Model1
[linearelliptic.problems.interfaces] whitespace
[linearelliptic.testcases.spe10] updated header
[test.linearelliptic] moved a lot of EocStudyBase into internal::StudyBase
Revert "[test.linearelliptic] moved a lot of EocStudyBase into internal::StudyBase"

This reverts commit 3a48be31d9e5baab414c48dd1c01c988cb1ddb9e.
[test.linearelliptic-block-swipdg-expectations] updated ESV2007
[test.linearelliptic-block-swipdg-expectations] updated OS2014
[linearelliptic.discretizations.swipdg-estimator] added estimate_local()
[test.linearelliptic] derive from Stuff::Common::LocalizationStudy
[test.linearelliptic] whitespace
[test.linearelliptic] private -> protected
[test.linearelliptic-swipdg] updated expected results
[test.linearelliptic-swipdg] whitespace
[test.linearellipticswipdg] added methods for LocalizationStudy
[test.OS2014] added nonparametric localization study, SWIPDG part
[test.OS2014] minor update
[test.linearelliptic-block-swipdg-expectations] updated ESV2007
[test.linearelliptic] do not base EocStudyBase on LocalizationStudy
[test.linearelliptic-swipdg] rename and rebase

* EocStudySWIPDG -> SWIPDGStudy
* additionally base on LocalizationStudy
* add run_eoc() and run_localization()
[test.linearelliptic-block-swipdg-expectations] renamed

EocStudyBlockSWIPDGExpectations -> BlockSWIPDGStudyExpectations