Merge pull request #49 from gAmUssA/master

fixed callouts warnings
finished the draft of ch13
Merge branch 'master' of https://github.com/Farata/EnterpriseWebBook
finished the draft of ch13 plus a minor code fix
fixed unclosed asciidoc link in xh13
added the first two sections to ch14 on hybrids
started intro to PhoneGap in ch14
described generating and running Hello World in Xcode in ch14
minor corrections in the Hello World in ch14
added instructions on registering iOS devices with Apple ch14
added instructions on creating iOS certificates and submitting HelloWorlf to PhoneGap Build ch14
added summary to ch14
Finished description of deploying Hello World on iOS devices ch14
minor changes in ch14 and ch6
added the diagram PhoneGap+Cordova+Web App ch14
- small fixes
- added bower sidebar