try querying flickr; fails on threading for network
format email as html
wrap flickr search into an Asynctask
added flickr pic picker dialog
Merge branch 'flickr'

Conflicts:
	app/build.gradle
	app/src/main/AndroidManifest.xml
	app/src/main/java/blogr/vpm/fr/blogr/activity/PostEditionFragment.java
	app/src/main/res/layout/activity_post_edition.xml
	app/src/main/res/menu/postedition.xml
	app/src/main/res/values/strings.xml
fix merge
Merge branch 'master' of https://github.com/vpmalley/tpblogr