Merge pull request #34 from jpeg729/master

French translation
Updated README to include new translation contributor, jpeg729.
Fix unquoted single-quote chars in translations.
Removed untranslatable strings from translations (causes build-time warnings)
Removed some stray imports (thnx to TrevE)
Attempt fix for 'missing' or 'blank' icons causing crash: 'Caused by: java.lang.IllegalArgumentException: width and height must be > 0'
Updated version number.
Slightly 'safer' fix for the missing icon issue.
Spanish translation

Added Spanish translation for all existing values.
add transparent icon to fix compiling errors

packages/apps/PDroidManager/src/net/digitalfeed/pdroidalternative/ApplicationsDatabaseFillerTask.java:225: cannot find symbol
symbol  : variable raw
location: class net.digitalfeed.pdroidalternative.R
    				        blankIcon = IconHelper.getByteArray(context.getResources().openRawResource(R.raw.blank));
    				                                                                                    ^
packages/apps/PDroidManager/src/net/digitalfeed/pdroidalternative/ApplicationsDatabaseFillerTask.java:231: cannot find symbol
symbol  : variable raw
location: class net.digitalfeed.pdroidalternative.R
                        blankIcon = IconHelper.getByteArray(context.getResources().openRawResource(R.raw.blank));
                                                                                                    ^
Update 'blank.png' file to be a 1x1 blank PNG (thanks TamCore for observing that this file was missing).
Merge branch 'master' of https://github.com/alceasan/pdroid-manager
Remove non-translatable strings from Spanish translation.
Update credits to include alceasan as the translator for Spanish
Update version number
Update API support to include Android 4.2.1
Updated 'about' and 'credits' to refer to OpenPDroid, include credits for the Spanish translation.
Correction and completion of french translation