6873059: Explicitly use -source 6 -target 6 when compiling with the boot jdk

Merge

6558476: com/sun/tools/javac/Main.compile don't release file handles on return

6758471: should be able to set jtreg options in langtools build

6870706: langtools launcher issues

Added tag jdk7-b70 for changeset 97d06f3e8787

Merge jdk7-b70

6870743: update comments in langtools/make/build.properties

6870591: langtools build sets javac.bootclasspath incorrectly

Merge

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mercurial