Merge branch 'master' into 'guake3'

Prepare for 0.8.8 release

Don't forget to update the version in aboud dlg

Signed-off-by: Gaetan Semet <[email protected]>

minor rework

Signed-off-by: Gaetan Semet <[email protected]>

Old Pylint actually works with Travis

update dev.sh

Signed-off-by: Gaetan Semet <[email protected]>

resert use of svg file for tray icon

Release 0.8.2

Signed-off-by: Gaetan Semet <[email protected]>

Fresh clean for Guake 3

Signed-off-by: Gaetan Semet <[email protected]>

Fresh clean for Guake 3

Signed-off-by: Gaetan Semet <[email protected]>