minor #28 Added README.md (royopa)
minor #28 Added README.md (royopa)

This PR was squashed before being merged into the 1.1.x-dev branch (closes #28).

Discussion
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Added README.md

Added README.md based on Symfony Standard Edition README

Commits
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443b47a Added README.md

marius-rizac/Silex-Skeleton,laukatu/Silex-Skeleton,KaranSofat/Silex-Skeleton,lmarttins/SmartRIS,cesarmarinhorj/Silex-Skeleton,lmarttins/SmartRIS,silexphp/Silex-Skeleton,lmarttins/SmartRIS,cesarAugusto1994/report,agusbussi03/elecciones,cesarAugusto1994/blog3,javal1983/silex-scrapbook,silexphp/Silex-Skeleton,agusbussi03/elecciones,marius-rizac/Silex-Skeleton,cesarAugusto1994/report,KaranSofat/Silex-Skeleton,javal1983/silex-scrapbook,cesarmarinhorj/Silex-Skeleton,laukatu/Silex-Skeleton,laukatu/Silex-Skeleton,agusbussi03/elecciones,cesarAugusto1994/report,cesarAugusto1994/blog3,cesarAugusto1994/blog3