[IZPACK-1173] Make single-instance locking of the installer configurable
Extract common parent interface for InstallerListener and
UninstallerListener in order to parameterize Class.
projects were still referring to old 5.0.0-rc3-SNAPSHOT
Merge pull request #281 from Helpstone/IZPACK-1175

[IZPACK-1175] Extract common parent interface
Merge pull request #282 from Helpstone/IZPACK-1176

[IZPACK-1176] projects were still referring to old 5.0.0-rc3-SNAPSHOT
Minor correction in bra translation
Merge pull request #284 from danielmelogpi/master

Minor correction in bra translation
Merge pull request #279 from rkrell/IZPACK-1173

[IZPACK-1173] Make single-instance locking of the installer configurable
Allow for lower-case drive letters in TargetPanel directory validation.
Merge pull request #286 from bobrich/master

Allow for lower-case drive letters in TargetPanel directory validation.