Add letters method

letters method allow users to create a fixed size String.

example : new Faker().letters(5) will create an 5 char string
adding travis build icon to readme
Merge pull request #15 from codingricky/readme-update

adding travis build icon to readme
bumped version in readme
Merge pull request #17 from codingricky/readme

bumped version in readme
Add faker email address method
Made street address/street name formatting more flexible

The street names are now formatted like person names, with different
possible name patterns. The joiner between street name words is
locale-specific.
Added finnish locale
Made unit test JDK6 compliant
Create LICENSE

Adding LICENSE
Update README.md
Merge branch 'email_address' of github.com:gblikegroupon/java-faker into gblikegroupon-email_address
Merge pull request #22 from otavanopisto/master

Support for Finnish locale
added missing test for streetAddressNumber
inlined variable, fixed formatting
added IntelliJ specific files to gitignore
added the ability to pass in a random value
updated readme
added support for coveralls
refactored to break out to different classes