Merge pull request #25 from creydr/master

Project import with navigation and basic models
Merge pull request #26 from creydr/master

Added DAOs for models
Merge pull request #27 from creydr/master

DAO improvement
Merge pull request #28 from creydr/master

ISBN scanner  #8
Merge pull request #29 from creydr/master

Title details activity
added ProgressDialog as classmembers so they can be better cleaned with .dismiss()
refactoring:
- made all asyncTasks (which where before inner classes) to an own class so they can be reused better
setup the callbacks for the onClick listener for the checkIn and checkOut in the activity because they to UI stuff. And it makes the onClick listener reusable in other activities
added functionality on title details page
- if no loanable available, user gets a message
Introducing the multi-language support #11

The application is now supporting a multilanguage version, including English, Français and Deutsch (and increasing).
It uses by default the application device settings but it can be change on the application.
If the language is unknown, English will be used.

The language settings are loaded meanwhile the splashscreen is displayed (see following commit).
Setting the minimum Android version to API 15 (4.0.3 Ice Cream Sandwich).
[FIX] Fixing some android attributes no available on API 15.
[ADD] Introducing the splash screen activity.

This activity will be used to cover the loading process for saved data, preferences and initializing processes.
Merging the changes with the main repository
Merge pull request #30 from Akhilian/master

Multi-language support and Introducing the splash screen
[FIX] Wrong manifest uploaded.
Merge pull request #31 from Akhilian/master

[FIX] Wrong manifest uploaded.
added helper to check the internet connection
Added ListAdapters for Loans and Reservation.
Added ListViews for Loans and Reservation.
Changed activity_my_loans.xml to support lists.
Changed MyLoansActivity.java so it will fill in the current loans and reservations into the lists.
Added string values inside string.xml
Merge branch 'master' into title-details_development

Conflicts:
	AndroidManifest.xml
	res/layout/navigation_drawer_list_view_item.xml
	res/values/strings.xml