added xsanchez changes
fixed pom
prova
Xavi Sanchez changes
removed run from repo
fixed email generation.
cleaned some code.
removed remaining HashSets
corretgit bug int->Integer
fixed GPSGenerator.java
Merge branch 'master' of https://github.com/ldbc/ldbc_socialnet_bm
Added dictionary citiesByCountry.
Fixed som minor bugs in order to improve robustness.
Merge remote-tracking branch 'LDBC/master'
Merge pull request #1 from ArnauPrat/master

All the improvements performed during the last month:
- Improved code quality
- Fixed issues on emails and IPs
- Populations quantized