Merge pull request #19 from adoulrac/selim/welcome

PackageInfo correction & Work in progress on friends
Merge pull request #20 from adoulrac/rachid/release1

Changes
Changes
IPAddress change
Merge branch 'master' of github.com:adoulrac/IHM into rachid/release1
Remove unused imports
Merge pull request #21 from adoulrac/rachid/release1

Rachid/release1
Friends GUI improved
Merge pull request #22 from adoulrac/rachid/release1

Friends GUI improved
small changes to make stub working
Merge branch 'master' into greyna/interfaces-DATA
Delete IPAddressUtil.java
IPAddress to string
Merge pull request #23 from adoulrac/rachid/release1

IPAddress to string
Merge branch 'master' into greyna/interfaces-DATA
Add a log
Merge pull request #24 from adoulrac/rachid/release1

Add a log
interfaces ready for release1
resolved conflict between stub and DATA implementation for IHMtoDATA implementation
Merge pull request #25 from adoulrac/greyna/interfaces-DATA

Greyna/interfaces data