validation test: fix tests-run.sh
validation test: typo
validation test: remove deprecated path
validation test: fix rapid tag
validation test: fix archive creation
validation test: code deduplication / install spring only once
validation test: fix refactor
validation test: try to fix refactor no. 2
validation tests:try to fix refactor no. 3
validation tests:try to fix refactor no. 4
validation tests:try to fix refactor no. 5 & add comments
validation test: don't dump ai log files as they are uploaded, too
fix mingw atomic error
add SpringVersion::IsHeadless & disable most warning messages:

should be possible now, to have zero warnings in a validation run
another attempt to fix mingw compile
validation test: speedup download
(don't search rapid for maps)
fix #3893, switch to Boost.Signals2
make mingw builder gentoo again
Update LuaSyncedRead.cpp

Add 'parent' field to LuaSyncedRead GetUnitPieceInfo
Merge pull request #67 from FLOZi/patch-2

Add 'parent' field to LuaSyncedRead GetUnitPieceInfo