fix 749,no more additional quotation mark when importing package
add test for no more additional quotation mark when importing package
Merge pull request #872 from bronze1man/pr-749

fix #749,no more additional quotation mark when importing package
add test case for #858,#864,#865,doTestWithDirectory can test all file in directory.
Merge pull request #873 from bronze1man/pr-test858

add test case for #858,#864,#865,doTestWithDirectory can test all file in directory.
Fix NPE on AppEngine test
Merge pull request #884 from dlsniper/fix-877

Fix NPE on AppEngine test
Fix runner states and enable building executables without needing gdb
Merge pull request #885 from dlsniper/fix-878

Fix runner states and enable building executables without needing gdb
Typo fixes to contributing.md
Merge pull request #889 from stevemostovoy/patch-1

Typo fixes to contributing.md
fix #864
fix #894,partly fix #891
fix wrong redeclare in different interfaces.
fix test fail in Travis CI,caused by filename case sensitive diff in mac and linux
Fix ant release process
Merge pull request #898 from dlsniper/fix-ant-release

Fix ant release process
Add Slack integration
Merge pull request #899 from dlsniper/slack-integration

Add Slack integration
Merge pull request #895 from bronze1man/pr-864

fix #864, fix #894,partly fix #891,fix wrong redeclare in different interfaces.