Merge pull request #314 from Mayflower/master

master in next
Fix typo in phpr.getAbsoluteUrl
Fix webdav urls in frontend.

We were missing the "Subprojects" parts
Explicitly call index.php instead of relying on DocumentIndex

If apache DocumentIndex is not used, the index.php won't be called if
it's not explicitly specified in the link. Therefore we do that as some
installations might not have DocumentIndex set to index.php.
add new login mask

this one does not say "PHProjekt 6.1" but "PHProjekt 6"
Merge pull request #317 from exi/loginLogoFix

add new login mask
Merge pull request #315 from voidus/fixWebdavLink

Fix typo in webdav url
Merge pull request #316 from dsp/dsp/documentindex

Explicitly call index.php instead of relying on DocumentIndex
pass upload error messages to the browser

the zend_controller_action_exception messages are shown to the client
Send the csrf token in the metadata store to prevent 403s
fix file download

we should not cast the hash to int...
Merge pull request #318 from exi/uploadFix

pass upload error messages to the browser
Merge pull request #319 from voidus/csrfMetadataStore

Send the csrf token in the metadata store to prevent 403s
Merge pull request #320 from exi/uploadFix

fix file download
Remove unused ParseTree

ParseTree was designed to parse a filter language. Filter could be
combined by merging subtrees and recreating a filter string from the tree.
This was never used by the filter logic so we can just get rid of it.
Merge pull request #321 from dsp/removeparsetree

Remove unused ParseTree
improve loading overlay

only show the overlay when loading for more than 200ms and the fading was
removed
Merge pull request #323 from exi/loadingOverlay

improve loading overlay
improve the loading indicator

we now track how many times loading.show and loading.hide was called so
we display the indicator until the last loading process is finished
Merge pull request #324 from exi/loadingIconFix

improve the loading indicator