Micro-optimisation

Place en premier les cas les plus importants (humain qui attend)
Merge pull request #429 from aledeg/shortcut

Change category modifier for shortcuts
SimplePie : tolérance caractères UTF-8 invalides

Meilleure implémentation de
https://github.com/marienfressinaud/FreshRSS/commit/f5251384c40fbf16c2b7f448884d7583b0119e7a
pour corriger https://github.com/marienfressinaud/FreshRSS/issues/419
Revert partiel de
https://github.com/marienfressinaud/FreshRSS/commit/316778ef47394b27047abd9c9a739c34d2fd3829#diff-d8be58dcfea709da6131af81563c5c9fR1350
SimplePie: Update to 1.4-dev

Manual merge of SimplePie master (1.4-dev)
Preparation to ease submitting patches upstream.
Revert "SimplePie : tolérance caractères UTF-8 invalides"

This reverts commit 7e66db7782b7fa7f7262a70ccea5c377341886cd.
Improve notification design on mobile

Impact all themes:
- Notification is extended from left to right and top (0px)
- Close button is hidden: by clicking (or touching) notification it will close
the notification

See #427
Switch TMP_PATH to DATA_PATH for the 0.7.1

See https://github.com/marienfressinaud/FreshRSS/issues/420#issuecomment-35423003
CHANGELOG 0.7.1 + TMP_PATH 0.8
Bug "mark all as read" when using DESC order

Solves https://github.com/marienfressinaud/FreshRSS/issues/431
Bug "mark all as read" when using DESC and pagination

https://github.com/marienfressinaud/FreshRSS/issues/431#issuecomment-35710258
Bug "mark all as read" when using DESC and pagination and no scroll

https://github.com/marienfressinaud/FreshRSS/issues/431#issuecomment-35774488
Improve sharing

Previously, the share page can handle only a limited number of shares and only one of each type.
Now the configuration has been change to be more flexible and allows an unlimited number of shares.
The share description is located in an array and the share configuration is stored along with the
user configuration.

Note: I tried to include the specific javascript code in a separate file but I did not succeded to
import it.
Requiert PHP 5.3.4 pour l'authentification par formulaire

https://github.com/marienfressinaud/FreshRSS/issues/432
En attendant de voir si on peut trouver une meilleure solution, si
nécessaire, ou une meilleure documentation
Test si crypt() fonctionne pour PHP 5.3.3

https://github.com/marienfressinaud/FreshRSS/issues/432
Merge pull request #433 from aledeg/share

Improve sharing
Sharing: Compatibility 0.7

https://github.com/marienfressinaud/FreshRSS/pull/433
Show only unread when selecting unread

Before, when there was no unread articles, all articles where displayed. This behaviour was not the one intended.
Now, when there is no unread articles, a message is displayed to alert that there is no article.

See #428
Add a configuration option to get sticky articles

Now the user can choose if an opened article will be repositioned to the top or not

See #338
Merge pull request #435 from aledeg/issue338

Add a configuration option to get sticky articles
Alpha version of Google Reader compatible API

https://github.com/marienfressinaud/FreshRSS/issues/13
Hardcoded passwords, no possibility to add/delete feeds or edit
categories yet.