Add pre_package event to wp8 project

WP7 project was already done in commit: bd2c667e947b3fda05541e0d1a124d23df60a132
Wait for the pre_package event to finish, or the update_csproj function might give unexpected results.
Fixes both the wp7 and wp8 parser.
Code style (indentation)
CB-5183 WP7/8 custom_path is not correctly resolved by CLI
[CB-5220] "An error occurred" is missing an "A" ...
[CB-5220] "An error occurred" is missing an "A" ...
[CB-4994] Update xcode dependency to handle Xcode 5 capabilities.
Merge branch 'CB-5183' of https://github.com/sgrebnov/cordova-cli
readability + code quality in wp7+8 parsers
merging
serve: provide basic entry point

Index:
* List included platforms (and available platforms)
* List included plugins
* List package name, id, version

* Provide directory redirects
* Implement directory browsing
serve: Fix doRoot() not being called & remove duplicated table.
CB-5183 WP7/8 lib path is not correctly resolved by CLI (additional changes)
Cleaning up wp7+8 parsers' use of promises. Fix tests.
[CB-5143] Locate the actual Android app .java file much more carefully.
[CB-4866] Execute hooks in ascending order of any leading numbers

Fall back to alphabetical searches if they don't start with numbers.

Includes tests for the new ordering behavior (which sorts 1.sh before
07.sh.
CB-5283 Improved cordova serve message to be more descriptive
fix conflict with removed head code
tests were failing attempting to match lib/dir and lib\\dir on windows
CB-5307: Remove references to Callback and Incubator