Merge pull request #133 from igemsoftware/master

Master into LC
Merge pull request #138 from igemsoftware/master

Master into LC
Merge pull request #140 from igemsoftware/master

Master into LC
keyboard operation
merge
Merge pull request #142 from igemsoftware/LC

Lc
Modify server connectors to get access
Merge remote-tracking branch 'origin/master'
oK
Merge remote-tracking branch 'origin/master'
Merge pull request #145 from igemsoftware/Cao

Cao
Merge pull request #146 from igemsoftware/master

master into Cao