Installer and CRX loading
Ancho installer checks for already installed versions.\nProper exceptions in crx extraction.
Adding zlib as a submodule. Improving installer configuration."
Finished feature 51236357/installer.
Fixing problems in crx extraction
Merge branch 'feature/51236357/installer' into develop
Support for multiple Ancho (i.e. Chrome) extensions.
Finished feature 45302593/multiple-ancho-addons.
Merge branch 'develop' of github.com:salsita/ancho into develop
Finished feature/ 45302593/multiple-ancho-addons

PT-Story-URL: http://www.pivotaltracker.com/story/show/45302593
RB-Review-Request-URL: https://dev.salsitasoft.com/rb/r/4245/
Auto-update system for ancho
Modifications required by jenkins job
Merge branch 'feature/51236357/installer' into develop
Finished feature 36777171/ancho-crx-autoupdate.
Small bug fixes in auto update.
Merge branch 'feature/36777171/ancho-crx-autoupdate' into develop
New version notification visibility
Fixing extension locales loading - malformed path
Fixing skipped OnFrameEnd event for first page.
Fixing bool retrieval in JSWrapper.