note about vs2012

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6551 212acab6-be3b-0410-9dea-997c60f758d6
fix eol

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6552 212acab6-be3b-0410-9dea-997c60f758d6
3.0b1

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6553 212acab6-be3b-0410-9dea-997c60f758d6